Data Analysis and Interpretation
Psychology ⇒ Research Methods in Psychology
Data Analysis and Interpretation starts at 11 and continues till grade 12.
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See sample questions for grade 12
A psychologist collects the following scores: 5, 7, 8, 10, 10, 12. What is the median?
A researcher finds a correlation coefficient of -0.85 between stress and sleep quality. What does this indicate?
Calculate the mean of the following data set: 3, 7, 8, 10, 12.
Describe the difference between a sample and a population in psychological research.
A psychologist collects the following scores: 5, 7, 8, 10, 10, 12. What is the median?
A psychologist wants to know if there is a relationship between hours of study and exam scores. Which statistical method should they use? (1) Correlation (2) ANOVA (3) Chi-square test (4) Median
A researcher finds a correlation coefficient of -0.85 between stress and sleep quality. What does this indicate?
A researcher finds that as the number of hours spent on social media increases, academic performance decreases. What type of correlation is this? (1) Positive (2) Negative (3) Zero (4) Curvilinear
A psychologist wants to know if there is a relationship between hours of study and exam scores. Which statistical method should they use? (1) Correlation (2) ANOVA (3) Chi-square test (4) Median
A researcher finds that as the number of hours spent on social media increases, academic performance decreases. What type of correlation is this? (1) Positive (2) Negative (3) Zero (4) Curvilinear
A researcher wants to compare the average test scores of three different classes. Which statistical test should they use? (1) t-test (2) ANOVA (3) Correlation (4) Chi-square test
A researcher wants to test if there is a significant association between gender (male/female) and preference for a new product (like/dislike). Which statistical test should be used? (1) t-test (2) ANOVA (3) Chi-square test (4) Correlation
Fill in the blank: In a normal distribution, the mean, median, and mode are all _______.
Fill in the blank: The _______ hypothesis states that there is no significant difference or relationship between variables.
Fill in the blank: The _______ is calculated by adding all the values in a data set and dividing by the number of values.
Fill in the blank: The _______ is the value that divides a data set into two equal halves.
True or False: A correlation coefficient of 0 indicates no relationship between two variables.
True or False: A large standard deviation indicates that the data points are close to the mean.
True or False: Inferential statistics allow researchers to generalize findings from a sample to a population.
True or False: The interquartile range (IQR) measures the spread of the middle 50% of data.
