Sampling distributions help us test hypotheses about means by
a. telling us exactly what the population mean is.
b. telling us how variable the population is.
c. telling us what kinds of means to expect if the null hypothesis is true.
d. telling us what kinds of means to expect if the null hypothesis is false.
C
Psychology
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According to the text, which of the following is the most important determinant of satisfaction in older adulthood?
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