When there is no relationship between variables, ______.
a. the scatterplot is inaccurate
b. an accurate prediction of the mean of the other variable can be made
c. a calculation error has been made
d. no accurate prediction can be made
b. an accurate prediction of the mean of the other variable can be made
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In which sub-dialog box can the chi-square test be found?
A. Frequencies: Percentages B. Crosstabs: Statistics C. Bivariate: Pearson D. sex: Female
Some professionals still believe they know what is best for children
Indicate whether the statement is true or false.
The following survey item is considered a(n) ______ item-type: “How do you feel about the lecture topics covered in the American Revolution unit?”
A. open-ended B. restricted C. partially open-ended D. observational
Purposeful sampling refers to
a) Sampling procedures designed before data collection b) Strategies to select information-rich groups or individuals c) The least desirable strategy, comprehensive sampling d) Probability sampling e) Static and a priori parameters of populations