Which of the following is not needed to compute a t statistic?
a. A hypothesized value for the population mean
b. The value of the population variance or standard deviation
c. The value of the sample mean
d. The value of the sample variance or standard deviation
B
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Between 6 and 10 months, babies:
a. acquire the ability to recognize themselves in the mirror and respond when they don't look the way they usually do b. begin to develop self-conscious emotions c. gain the ability to make distinctions between more different types of phonemes d. lose the ability to make distinctions between phonemes of languages they are not exposed to
Which of the following is the same as a panel survey design?
a. successive independent samples design b. longitudinal design c. cross-sectional design d. internet survey design e. quota design