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Psychological Statistics is the application of statistical methods in the field of psychology for the analysis of data and interpretation of results.
In descriptive statistics, the main objective is to ____________.
The graph below shows that:
What is a property of a test statistic?
Compute for the percentage and proportion. Type the answer on the space provided. 6,874 pens out of 10,000
Inferential Statistics infers or generalizes data from _______________ to the ____________________.
The t Test is characteristically used to compare ______________.
Studying the before and after effects is also known as ____________________.
What is the mean of the given data?
Compute for the percentage and proportion for each. Type the answer on the space provided. 175 employees out of 1,078
The population is a representative group of the whole.
Which bar graph of Gender vs Total Participants per Gender best represents the data above.
What is the mode of the following numbers 10, 10, 10, 11, 11, 12, 13?
INSTRUCTION: Determine the median of the table below:
What symbol is used to represent Chi square?
A student for a score of 27 out of 30 in an exam. This means that the student answered 90% of the questions correctly.
The z score is obtained so that __________________.
The z score table _________________.
INSTRUCTION: Customer service centers are being improved in the country. With this effort, a local firm recorded the number of minutes it takes for call center agents to resolve a complaint. Below is the data. Determine the median.
The probability of a Type 1 error is denoted by ___________.
The null hypothesis in comparing two populations would postulate that the two populations would have no difference.
Quantitative data is represented by ________________.
The average or the mean is the midpoint of a data set.
If r2 = -0.92, it means that _________________.
Statistics is used to prove the hypothesis of a research to be right or wrong.
What is the range of the following numbers 10, 10, 10, 11, 11, 12, 13?
A group of researchers tested the before and after effects of social media on a group of 50 teenagers. To test the hypothesis , we use the data _______________.
The alternative hypothesis for a chi square is __________________.
Qualitative variables are assigned names to certain objects or characteristics of a study.
The greater the standard deviation number, the ________________ the dispersion.
A regression cannot predict the outcome of a study given the best fitting line.
A student who got a score of 9 out of 10 in a test is an example of inferential statistics.
What is the mode for the given data?
A z-score is the same as the p value.
The Chi Square Test of Independence shows ____________________.
A regression analysis shows ____________________.
A type 2 error is the probability of accepting a true alternative hypothesis.
The p value gives you the _____________________.
There are two types of statistical hypotheses normally crafted in research called the ______________.
When hypothesis testing the means of 2 independent populations, our data should be _______________.
Measures of central tendency revolve around three areas namely the range, mean and median.
This method of statistics infers or generalizes obtained data from the sample size to the population.
In testing means of populations, which of the following data is required?
The p value of 0.04 means that there is a 4% chance of it to likely happen.
The degrees of freedom for a sample size of 50 for the first group and 49 for the second group is _________________.
Which of the following is different from all the others?
The Chi Square Goodness of Fit shows ____________________.
A one tailed t test finds out if ________________.
IINSTRUCTION: Customer service centers are being improved in the country. With this effort, a local firm recorded the number of minutes it takes for call center agents to resolve a complaint. Below is the data. Determine the mode.
Significance levels in a research study normally fall in these values.
Which scatter plot of Gender vs English Grade best represents the data above?
In the equation of the best fitting line, Y = mx + b, m refers to the ________________.
A teacher in statistics gave out practice problems for students to answer at home. Each student spent some minutes answering these as recorded below. Determine the mode.
In a univariate study, a researcher looks at _____ variable/s in different scenarios
The alternative hypothesis means that there is no difference between two sample groups.
Statistics is important as it gives an objective way of summarizing and studying data.
Use the data set given below to solve for the Mean Absolute Deviation. Data Set: 76 80 56 63 45 88 75 89 86 58
Significance levels of a research are always at a 90%, 95% and 99% level.
A sample contains all the data of the group that a researcher is studying.
The range is computed by _________.
The class for Statistics has a population of 35 students. The passing rate for the exam is at 50%. In the last exam, 23 students got 8 and above out of the total score of 15. All the rest got 6 and below. What is the percentage of the population that passed the exam?
The variance is computed by getting the square of the ___________________.
The degrees of freedom for a sample size of 501 is _________________.
Gender is an example of nominal data.
Compute for the percentage and proportion. Type the answer on the space provided. 65 boxes out of 120
The z score is the distance from the ____________________.
The mode is a measure of dispersion.
A one sample t test is ____________________.
For the hypothesis , the researcher randomly sampled 40 participants from the first group and 20 participants from the second group. What is the degrees of freedom?
When comparing two populations, it is assumed that both have normal distributions.
What is the proportion equivalent proportion if a factory worker accomplishes 82% of his work?
A researcher is studying the effect of energy drinks on sports performance in young male adults. Choose the correct hypothesis.
Descriptive statistics are used to infer generalizations to the whole population.
When making use of the same subjects testing the before and after effects, we would need to employ the ___________________.
The graph below shows a:
If r2 = 0.43, it means that _________________.
A correlation tells you the relationship or association of two variables being studied.
The null hypothesis means ______________.
When making use of the same subjects testing the before and after effects, we would need data to be___________________.
Including graphs in descriptive statistics complicates the interpretation of the data at hand.
Comparing 2 population proportions starts with having ________________ data that are taken from 2 separate unique groups.
Quantitative statistics are always of numerical value while qualitative statistics are always of an assigned label or name.
R squared is a measure of __________________.
Independent t test is used when there are different subjects in the study.
The mode is the number that is most frequently seen in a data set.
Random sampling is getting qualified research respondents with each being chosen with the same probability.
What is the median of the following numbers 10, 10, 10, 11, 11, 12, 13?
To compare populations, data must come from random samples.
Smaller samples give smaller variability measures.
The strength of a correlation is determined by _________________.
Use the data set given below to answer the question. Data Set: 1111 Standard Deviation: 209 Mean: 1026 p(Z > a) = 1 - p(Z < a) equals ____________
A chi square test does not measure the __________________.
The researcher is trying to find out the effects of stress on heart beats per minute. The dependent variable is ____________.
A pooled variances test is used to know the variance of two groups that are assumed to be alike.
INSTRUCTION: Determine the mode from the table below:
It is important to note that multivariate statistics can well complement descriptive statistics when presenting the results.
A distribution is a ________________.
A percentage and proportion is related to each other such that __________.
The probability of a Type 1 error is denoted by ________________.
Univariate statistics can deal with up to two variables being studied.
All are properties of a regression line except ____________________.
When the researcher does not reject the null hypothesis when in fact it is false this is caleed a ________________.
A student answered 77 out of 100 in a test. What percentage did he answer incorrectly?
What is the percentage of the following students? Student A 60/65 Student B 45/65
675 cars were seen to have defects from the factory production last Wednesday. The total production for that day was 921. What is the percentage of cars with defects?
The statistical value of p should be greater than the significance level for you to reject the null hypothesis.
If the Spearman coefficient is equal to 1, it means that ______________.
The normal curve is characteristically ______________.
Depending on the null hypothesis, the answer when comparing means can be a one tailed graph.
A two proportion z test always yields a two tailed graph.
Which is not a Chi Square Test?
This method of statistics is a direct interpretation of the obtained data.
A negative one tailed graph would have the two ends of the normal curve graph shaded.
Hypothesis testing is done to _______________.
Select one:
The two statistical methods are best combined in a research to give an accurate picture and generalization of the problem at hand.
The degrees of freedom is denoted by n-10.
Type 2 Error is when the researcher ________________.
Compute for the percentage and proportion. Type the answer on the space provided. 3 balls out of 10
The mean absolute deviation is also known as the ______________________.
Comparing two populations mean that you can get data from any two sample sizes from any population.
What is the mean for the given data?
A dependent means t test is also known as ____________________.
When reporting results, it is enough to rely on measures of central tendency to accept the alternative hypothesis.
The null hypothesis means is stated as _____________.
A variable is an identified characteristic in a research that the researcher wants to take a closer look at.
ANOVA calculates for the __________________.
The mean of 15,17,19 and 20 is 17.5.
Depending on the alternative hypothesis, the answer when comparing means can be a one tailed graph.
A p value of 0.07 has a stronger ability to debunk the null hypothesis than a p value of 0.03.
To test interaction effects, the researcher uses ___________________.
Compute for the percentage and proportion. Type the answer on the space provided. 82 mugs out of 165
The median of 15,17,19 and 20 is 18.
Descriptive statistics is a direct interpretation of the data and may not be stretched to further conclude generalizations about the population.
What is the percentage of the following students? Student A 50/65 Student B 32/65
For the hypothesis , the researcher randomly sampled 19 participants from the first group and 10 participants from the second group. What is the degrees of freedom?
Which line graph of Age and Gender best represents the data above?
The standard score is the same as the ______________________.
State the null hypothesis of the problem below. Two groups of honor students are being studied. The researcher is trying to determine if the method of memorization is effective in getting good grades versus a group who does hands on practice.
A researcher is studying the effect of mefenamic acid on headache disappearance in young female adults. Choose the correct hypothesis.
Use the data set given below to solve for the Standard Deviation. Data Set: 76 80 56 63 45 88 75 89 86 58
What is the mode of the given data?
______________________ is the method by which survey respondents are chosen without bias and with equal ability to be participants in the study.
Which of the following is false for an alternative hypothesis?
In a research problem, there are always two kids of hypothesis - the null hypothesis and the altered hypothesis.
It is important to also report and know measures of dispersion because it ___________________ .
The mean of the sample or population is highly dependent on N.
Use the data set to solve for the range. Data Set: 76 80 56 63 45 88 75 89 86 58
When the researcher does not reject the null hypothesis when in fact it is false this is called a ________________.
Which of the following is not useful in doing an ANOVA?
What is the mean of the following numbers 10, 10, 10, 11, 11, 12, 13?
When the Pearson and Spearman correlation values equals a +1, it means ______________.
To reject the null hypothesis, the p value must greater than α.
When doing random sampling, it means that one person may be selected twice in a study.
Use the data set given below to solve for the Variance. Data Set: 76 80 56 63 45 88 75 89 86 58
The range is a measure of where the data is ranked.
A chi square test is done with ______________ data.
A 2 independent samples proportion test is also called a ____________________.
Numbers represent quantitative variables always.
For the hypothesis the researcher randomly sampled 19 participants from the first group and 10 participants from the second group. What is the degrees of freedom?
In ANOVA, treatment is another word for ________________.
Rejecting the null hypothesis means that there is a difference in the variables of the study.
The Chi Square Test of Homogeneity shows ____________________.
Out of 1040 students, 654 students passed the exam. What is the percentage of passing?
The hypothesis of a study must always be formed at the beginning of the research.
The population is the representative sample of an identified group.
The sample size is taking all members of the group being studied and getting data from them.
When comparing two population means, the = sign always appears in the __________________.
A matched pairs t test ________________.
Descriptive statistics on the other hand is a/an __________________ interpretation from the data gathered.
The mu is a greek symbol for ________________.
A research problem does not always need to have a null hypothesis because it is mostly rejected.
Descriptive statistics all except ________________.
The area of the normal curve is equal to ________________.
The mean is the best value to describe an entire set of data.
A t-test with two samples is most commonly used when there are small sample sizes used in the study.
If the p value is lesser than 0.05, it means that _________.
A regression line may be plotted to show where predicted values may fall in a graph based on the independent variable. It is also called a _________________________.
A type 2 error occurs when the null hypothesis is rejected when it is in fact true.
An alternative hypothesis for 2 independent population means is __________.
A researcher may opt to test the whole population to get better results in the study.
Use the data set given to answer the following question. From the Z Table, p(z>a) = __________?
What is the median of the given data?
A t test is used to compare 3 groups and their mean differences.
The whole group of the study which the sample reflects is called the ________________.
What should be included in reporting ANOVA?
The alternative hypothesis is the educated outcome guess of a researcher.
A one sample t test is ___________________.
The t test has various thresholds/significance levels.
If the z score is 4.12, what is the value of the z score to make is a normal distribution?
Out of 1050 students, 544 students passed the exam. What is the percentage of passing?
What is the median for the given data?
A group of researchers tested the before and after effects of television on a group of 25 children. To test the hypothesis we use the data _______________.
The median is easily swayed by big and small values in the data set.
In a normal distribution the pre-calculated area of a z score can be found in the __________________.
Descriptive statistics is important because it describes the data in a simpler interpretation of the data.
An alternative hypothesis means _______________.
An identified representative group or subset of the whole is called a ______________.
What does ANOVA calculate for?
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