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