Sample size affects power because the larger the sample size:
A) the larger the standard deviation of the distribution of means
B) the smaller the standard deviation of the distribution of means
C) the larger the sample's mean Z score
D) the smaller the sample's mean Z score
B
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Lesbian and gay partners of often considered as parents who are very different than
heterosexual partners. Describe the findings in Dalton and Bielby that reflect the similarity to and difference from heterosexual families. What will be an ideal response?
A dozen inexperienced backpackers are preparing to settle in for the night when they realize that someone in the group is missing. The __________ style of leadership would be most effective in this situation
a. authoritarian b. democratic c. cooperative d. laissez-faire
AP News Clip: Drinking Culture in the WorkplaceClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 264, and watch the video. When you've finished watching the video, come back to the test, and answer the following questions:Researchers in the video want to determine whether the positive effects of drinking are dependent on whether it is done ______.
A. consistently B. in public C. extravagantly D. cheaply
Using the normal distribution, we know that ______ % of all random sample means will fall within ±1.96 standard errors of the true population mean.
A. 68 B. 95 C. 99 D. 100