The validity of generalizations based on a sample depends on the:
A. number of strata in the sample.
B. representativeness of the sample.
C. shape of the sampling distribution.
D. size of the population sampled.
Answer: B
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Refer to Exhibit 3-6. What is the dependent variable?
a. Age b. College students c. Rate of learning d. Type of motivation e. Two of the above
?The seed contains a baby plant called the _________________.
Fill in the blank(s) with the appropriate word(s).
Holding all else constant, as sample sizes increase, the degrees of freedom ______ and the critical value(s) ______.
a. decrease; decrease b. decrease; increase c. increase; increase d. increase; decrease
A professional code of ethics is important to ensure that decisions teachers make are based on _____
Fill in the blank(s) with the appropriate word(s).