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