Professor Kipling is discussing statistics in your introductory psychology class. She explains that descriptive statistics are invaluable because they allow psychologists to ____.
a. describe the relationship between two variables
b. summarize a pool of data
c. determine whether a data set is normally distributed
d. determine whether the differences between two groups are significant
Question 2
The most basic use of histograms is to ____.
a. establish that the null hypothesis is true
b. determine whether an analysis of variance is needed
c. analyze data statistically
d. better understand the shape of the data
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