A group of individuals that matches the population on important characteristics such as age and sex is called a(n):
a. volunteer group.
b. representative sample.
c. unrepresentative sample.
d. general sample.
Answer: b
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a. True b. False Indicate whether the statement is true or false
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a. independent-measures t test b. repeated-measures t test c. single-factor analysis of variance d. chi-square test for independence
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