Another name for the related-samples t-test is _____
a. matched-samples
b. paired-samples
c. dependent-samples
d. All of the above are true.
d
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Mean scores in Tetris were recorded for both math majors and English majors. The mean score for math majors was 20,752 (s12 = 851, N1 = 17) and the mean score for English majors was 14,922 (s22 = 395, N2 = 56). The pooled variance would probably be closest to which value?
a. 800 b. 623 c. 500 d. 900
Let's assume you are having a party and have stocked your refrigerator with beverages. You have 12 bottles of Coors beer, 24 bottles of Rainier beer, 24 bottles of Schlitz light beer, 12 bottles of Hamms beer, 2 bottles of Heineken dark beer and 6 bottles of Pepsi soda. You go to the refrigerator to get beverages for your friends. In answering the following question assume you are randomly
sampling without replacement. What is the probability the first four bottles you select will be a Coors, a Schlitz, a Rainier, and a Coors in that order? a. 0.0020 c. 0.8875 b. 0.0022 d. 0.0019
The pattern of human physiological processes that seems to be controlled by an internal "biological clock" is
a. unaffected by the world's daylight-dark cycles. b. coordinated in the hypothalamus. c. set on a 12-hour cycle. d. identical for all people. e. unrelated to work schedules and travel.
Assertiveness is rarely a helpful way of managing stress
Indicate whether the statement is true or false.