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The science of intelligent decision making in the face of uncertainty and is used in many disciplines, such as financial analysis, and marketing research.
Classify: Data gathered from personal observation
Which is incorrect? 
Which method is the most time consuming?
Analyze the data and determine the kurtosis: 40, 30, 10, 5, 15
Educationally speaking, Mr. P is a researcher who studies the economics of legal prostitution, He plans to conduct a survey study but because of the sensitive topic, he has no access and no idea regarding the population of study. He only know one respondent and that was Ms Cute, after the productive survey with her, Mr. P asked if she knows someone who is willing to cooperate with his research, Ms Cute then brings Mr. P to Miss Beautiful. After doing the same thing, Mr. P requested Ms Beautiful if she knows another respondent who is willing to cooperate, Ms Beautiful then brings him to Ms Chaka. What sampling method was used by Mr. P?
Gross Sales per day
Which statement is false? 
This is the maximum value of the probability of rejecting the hypothesis when in fact it is true
Imagine that you are the banker of the game "deal or no deal". Supposing that you are tasked to make an offer worth 30% lower than the mean of the remaining amounts contained in the unopened briefcases. There are only three briefcases left unopened, one chosen by the player and two with the deal or no deal ladies . The remaining amounts are Php1,000,000, Php700,000 and Php100,000. What amount will you offer to the player?
Classify: Data gathered from books
In how many ways can you arrange 5 people in a line?
Given the following data 10, 20, 30, 40, 50. Find the population variance.
In this type skewness, median is greater than the mean but less than the mode
Analyze the excel sheet formula and identify which one does not belong to the group
A researcher was interested in whether an individual's interest in politics was influenced by their level of education and gender. Therefore, the dependent variable was "interest in politics", and the two independent variables were "gender" and "level of education". In particular, the researcher wanted to know whether there was an interaction between education level and gender. What statistical method can be best used?
Which statement is false? 
Which statement is false? 
Census of population is an example of
This is an assumption of relationship between variables
Supposing that there are 7 distinct chairs to be arranged in a round table. How many possible arrangements will there be?
Which of the following is not included in the group 
A set data has five elements having a mode of 6. Find missing data 10, 4, 6, 7, _
It is a theoretical concept whose objective is to be able to explain for some variables the reaction between the intervals of its values and their corresponding probabilities.
Which can be considered as median?
If both the series move in the same direction and the variations are in a fixed proportion, correlation between them is said to be
You are in charged of the repacking of goods. There are 2 types of canned sardines, 3 types of rice and 2 types of noodles. How many combinations can you make if you are only allowed to pick one per product?
This type of statistical test is used when relationship of two or more variables are said to be "not equal to" or the problem has no condition.
Find the margin of error used if sample size computed is 90 at and population is 900.
Analyze the statement and identify the one depicting two tailed test
There are 10 employees in a small business firm. From these employees, two of them have a salary of Php20,000; three of them receive Php25,000; four of them receive Php30,000; lastly the manager's salary is not given. Supposing that the average salary of the 10 employees is worth Php29,000, what is the range amount of their salaries?
The average number of homes sold by the Acme Realty company is 2 homes per day. What is the probability that exactly 3 homes will be sold tomorrow?
Identify the area where statistics is being described: Statistics is applied in performance appraisal of employees.
The variance of the final grades of 50 students is equal to 16, what is the value of standard deviation?
Which statement is false? 
Analyze the situation given and tell whether the situation will make use of Descriptive or Inferential Statistics: The cashier gathers the receipts and totals the income every day.
Regression modeling is a statistical framework for developing a mathematical equation that describes how
In the regression equation Y = a + bX, b is called:
In a study, subjects are randomly assigned to one of three groups: control, experimental A, or experimental B. After treatment, the mean scores for the three groups are compared. The appropriate statistical test for comparing these means is:
When you roll a dice, what is the probability of getting an odd number?
This is a statistic expressing the amount of random sampling error in a survey's results
Evaluate the formula and identify the correct expression
Which of the following is not included in the group
Seller, A, B and C records their transaction under the accrual basis. They had a profit of Php 10,000, Php20,000 and Php15,000 respectively. Calculate the mean or average income of the 3 sellers after the following accounting adjustments. Seller A received Php1,000 as payment for past recorded receivable Seller B forgot to record electricity expense worth Php1,200 Seller C paid accrued expenses worth Php2,000
This examines two or more independent samples based on multiple characteristics. In this method, the data must be balanced and factors must be fixed.
A company has 25 rank and file employees. They are planning to have an organization. In how many ways can they elect a president, vice president, secretary and treasurer?
This refers to the drawing of conclusion from the analyzed data
What will be your decision if the absolute calculated value is greater than the tabular value?
This examines whether samples are different and is commonly used when the variances of normal distributions are unknown and when an experiment uses a small sample size.
A hypothesis that is intended for statistical test is generally stated in ________ form.
In this type of distribution, the number of successes is fixed and the number of trials varies. The function calculates the probability of a given number of failures occurring, before a fixed number of successes.
Which is not included in the group
Analyze the data and determine whether it is positively skewed or negatively skewed: Mean = 30, Median = 10, Standard deviation 20
Analyze the excel sheet formula and identify which that does not belong to the group
Classify: Time taken to produce one product
In our discussion, what is the fourth step in hypothesis testing?
There are 7 applicants for a job, in how many ways can you select 2 applicants to occupy the vacant positions?
Statement 1. Gosset formulated the t-test Statement 2.Egon Pearson was the one who formulated the Pearson chi-square test
This test is applied when you have one categorical variable from a single population. It is used to determine whether sample data are consistent with a hypothesized distribution.
In an employment exam, 3 applicants got a score of 21-30 while 4 applicants got 31-40. Compute the mean of the grouped data.
16 BSBA students took a quiz in Business Statistics, five of them got a score of 5; five got a score of 10 ; five got a score of 15 and the other one was unknown. If the mean score of 16 students is 10, what is the modal score?
This is the probability distribution that describes the time between events.
Which statement is false? 
Which of the following has a mean of 25
What can you say about the distribution's skewness given the following data Mean=20 Mode = 10 Median=15
Which is equivalent to Q2
Which statement is incorrect?
This exists to guide business decisions by providing insight about competitors, products and customers. this statement describes the use of statistics in the field of
This is a method that simultaneously examines the effect of two factors on the dependent variable, along with the effects of interactions between the different levels of these two factors.
If you will be tossing a coin first then you will roll a dice. What is the probability of getting a head and a number 4?
This sampling technique is used when the researcher does not have the data regarding the population
It is the process of extracting relevant information from presented data using statistical methods and procedures
The following are the stock prices of FPL Co. from October 9-15
The test is applied when you have two categorical variables from a single population. It is used to determine whether there is a significant association between the two variables.
Which statement is false? 
Which of the following statements best describes descriptive statistics
A researcher was assigned to obtain respondents from a certain municipality, he was tasked to determine the reaction of residents' of a certain municipality regarding the proposed increase in monthly pension of retired people. He was told to have 200 female and 300 male respondents between the age of 45 and 60. What is the sampling method used by the researcher?
You are in a game and you will choose one briefcase out of five. The following amounts are inside the briefcases 1,000,000; 500,000; 100,000; 50,000, 20,000. You will be going home with the amount inside your chosen briefcase. What is the probability that you will go home with at least 50,000?
Analyze the situation given and tell whether the situation will make use of Descriptive or Inferential Statistics: The manager computes the average income in a week.
Find the margin of error used if sample size computed is 50 at and population is 100.
If sample size is 5,000, when margin of error is 1%, what is the size of the population?
A new fertilizer has been developed to increase the yield on crops, and the makers of the fertilizer want to better understand which of the three formulations (blends) of this fertilizer are most effective for wheat, corn, soy beans and rice (crops). They test each of the three blends on one sample of each of the four types of crops. After that, they repeated the experiment for 5 times in order to ensure that the results are consistent. What statistical method can be best used in the situation?
In regression, the equation that describes how the response variable Yes is related to the explanatory variable (x) is:
If the probability that x ≥ 6 is 10%. What is the probability that x<6?
Average Monthly Expense
Which is incorrect?
Which of the following is a continuous random variable?
The current foreign exchange rate is USD 1 = Php 45. Assuming that the probability that the rate will be 1 USD = Php 40 is 0.7, and the probability that it will be USD 1= Php 46 is 0.2, the probability that it will remain the same is 0.1. What is the expected foreign exchange rate rate? (Average)
In this type skewness, median is greater than the mode but less than the mean
What do you call a variable whose value is subject to variations due to chance. It can take on a set of possible different values, each with an associated probability.
In our discussion, what is the third step in hypothesis testing?
If a group of data has a variance of 1000, what is the standard deviation?
Analyze the data and determine the kurtosis: 10, 20, 30, 40, 50
Identify the area where statistics is being applied: Business entities usually use statistical modeling for predicting budgets and capital expenditures based on the past data of the entity and other relevant variables considered.
Which of the following is incorrectly evaluated
Given the following data, 10, 15, 10, 20, 15, 25, 10. What is the median?
Identify the area where statistics is being described: Statistics is used in deciding whether to accept, reject or rework a certain product.
Identify the the basic form of probability sampling
In an ANOVA result, if p value is equal to 0.54 and α is equal to 0.10. We must
Which statement is false?
A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called:
This is prefered to be used when handling samples which are greater than or equal to 30.
The company has 3 delivery vans. In how many ways can the vans be parked in a row?
There are 52 cards in an ordinary deck of cards. If you will be drawing one card. What is the probability that it is a heart or a spade?
A normal deck of playing cards consists of 52 cards. If you will draw one card, what is the probability that you can get a black card?
The average number of homes sold by the a realty company is 2 homes per day. What is the probability that greater than 3 homes will be sold tomorrow?
Classify: Data gathered from interview
When you toss a coin for 10 times, what is the probability that you will get exactly 5 heads?
If the probability that x = 6 is 25%, what is the probability that x will not be equal to 6?
If the probability that x ≤ 20 is 65% and the probability that x<20 is 20%, what is the probability that x≠20?
The standard deviation is a measure of ___________ of a frequency distribution?
Which is incorrect? 
Given the following data 10, 20, 30, 40, 50. Find the sample variance.
In how many ways can you arrange 5 people in a circle?
0! is equal to
Using stratified random sampling, you need obtain 300 samples from a community consisting of 2,000 individuals belonging to different income brackets. 300 individuals belong to the high income earners; 1200 are average income earners; and 500 are low-income earners. How many samples will you obtain from the group of low-income earners?
Classfy: Monthly Salary
This used to test the significance of the difference between means of two or more sets of data simultaneously.
Analyze the situation and identify what type of distribution function to be used. When you venture into a business for 5 times, what is the probability that you will get make profit for 3 times?
A new fertilizer has been developed to increase the yield on crops, and the makers of the fertilizer want to better understand which of the three formulations (blends) of this fertilizer are most effective for wheat, corn, soy beans and rice (crops). They test each of the three blends on one sample of each of the four types of crops. What statistical method can be best used in the situation?
In a normal distribution,
Classify: Data gathered from magazines
When you are dealing with a very large population such as the total residents of the Philippines, which sampling technique can be best used?
If the correlation coefficient is a positive value, then the slope of the regression line
This examines two or more independent samples based on an individual characteristic to determine whether their population means could be equal by comparing their variability between groups and within groups.
Which statement is true?
The average sugar intake of a person is 80 grams per day, with a standard deviation of 5 grams. What is the probability that a randomly chosen person has greater than 75 grams of sugar intake per day?
It is used when the relationship between two or more variables in the problem is believed to be greater than, lesser than, at most, at least, maximum and minimum
If the value of mean, median and mode are equal, the distribution is said to be
Years of experience
Which statement is false
Identify the probability distribution being described by the statement below What is the probability of having exactly 7 tails before 8 heads?
Type of Business
This is the science of good decision making in the face of uncertainty and is used in many disciplines such as financial analysis, econometrics, auditing, production and operations including services improvement, and marketing research.
Classify: Brand Name
Identify a business-related activity which involves experimental method of data collection
Compute for the sample size, given the following data: Population = 1000, margin of error 10%.
In an employment exam, 3 applicants got a score of 21-30 while 4 applicants got 31-40. What is the median class?
What can you infer from the following data, 10, 15, 10, 20, 15, 25, 10.
You have two Php 20 bills and three Php 50 bills on your poket. If you will be drawing 2 bills in your pocket, what is the probability that you can get at least Php 40?
Identify the technique where samples are chosen only when the researcher meets them by chance
If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be:
This is a is a statistical measure that is frequently used to indicate the probability of a specific number of successes occurring from a specific number of independent trials.
Tell whether Descriptive or Inferential Statistics: The production manager tests if the products are okay by getting samples from the total products manufactured. Later on, he concluded that the products are not okay and needs d to be repaired.
If there are 20 students currently enrolled BSBA-MIS. In how many ways can elect a president and vice president?
Variance refers to
In regression analysis, the variable that is being predicted is the
Mr. P, a researcher of the National Internal Revenue, was tasked to make a research regarding open tax cases of businesses from the 18 regions of the country. He selected 3 provinces on each region. After that, he selected 3 municipalities from each province. From each of the municipalities, he draws 10 registered businesses systematically from their list. What is the sampling method used by Mr. P?
This is used to draw generalizations, interpretations or conclusions about the properties or characteristics by a large group of people, places or things on the basis of the information obtained from a portion of a whole.
You want to find the most popular brand of cologne used by employees. What is the most appropriate measure to be used?
Analyze the data and determine whether it is positively skewed or negatively skewed: Mean = 10, Median = 30, Standard deviation 20
Among the measures of central tendency, which is easily affected by extreme values?
If you flip a coin twice, what is the probability of getting at least one tail?
Which of the following is not included in the group?
The main purpose of descriptive statistics is to:
If the distribution has a kurtosis value which is equal to zero. The distribution is said to be
Tell whether Descriptive or Inferential Statistics: The engineer calculates the average height of buildings in a city.
Euler's number is equal to
You have two Php 20 bills and three Php 50 bills on your poket. If you will be drawing 2 bills in your pocket, what is the probability that you can get at a total of Php 150?
Which statement is false? 
Identify the area where statistics is being described: Statistics provide useful information on how much goods should be kept and how much can be possibly sold at a certain period of time.
Classify: Data gathered from company files
With a 0.5 probability of success in each of your 5 business investments, what is the probability that you will make profit in exactly 2 of your investments?
If the probability that x ≥ 10 is 65% and the probability that x=10 is 20%, what is the probability that x≠10?
Find the population used if sample size computed is 90 at 10% margin of error
Statement 1. Factorial notation is the result of multiplying a sequence of descending numbers. Statement 2. Combination refers to the arrangement of objects with reference to order.
Classify: Years of Experience
___________assigns a probability to each measurable subset of the possible outcomes of a random experiment, survey, or procedure of statistical inference.
What will be your decision if the p value is less than the level of significance used?
The correlation coefficient is used to determine:
Which statement is false? 
Classify: Taxable Income
Classify: Data gathered from experiment
Identify the technique in which a researcher studies the social process as they happen in the field.
Three different sale closing methods were used. Three groups of four salespeople were randomly chosen. Each group was instructed to use only one of the closing methods for all of their sales. Sales totals of each salesperson over the next two weeks were collected. What statistical method can be best used in the situation?
Suppose that the amount of time one spends in a bank is exponentially distributed with mean 10 minutes, ? = 1/10. What is the probability that a customer will spend at most 15 minutes in the bank?
Null Hypothesis: There is no significant difference between the age and income level of employees under the entertainment industry.
Ten people took an employment exam, the following are their scores from a 50-item test
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