A sample of n = 4 scores is selected from a population with an unknown mean. The sample has a mean of M = 40 and a variance of s2= 16 . Which of the following is the correct 90% confidence interval for ??
a. ? = 40 ± 2.353(4) c. ? = 40 ± 2.353(2)
b. ? = 40 ± 1.638(4) d. ? = 40 ± 1.638(2)
C
Psychology
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Fill in the blank(s) with the appropriate word(s).
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Mrs. Hayley has come to terms with life despite its imperfections. She has become increasingly generous and good-natured. Mrs. Hayley shows gains in
A) emotion-centered coping. B) agreeableness. C) openness to experience. D) extroversion.
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