Under what circumstances will the chi-square test for goodness of fit produce a large value for the chi-square?
a. When the sample proportions match the hypothesized population proportions
b. When the sample proportions are much different than the hypothesized population proportions
c. When the sample mean is close to the population mean
d. When there is a large difference between the sample mean and the population mean
B
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According to the research of psychologists Conor Seyle and Matthew Newman, what has divided the United States into opposing camps over the last 10 years?
a. ethnic differences b. rich versus poor c. red states versus blue states regarding voting d. regional differences, that is, Southern, Western, Eastern, Northern
Changing the value of a score in a distribution will always change the value of the mean
Indicate whether the statement is true or false
Cosmo is convinced that his accountant is addicted to drugs. To determine whether he is correct, Cosmo asks his friends if the accountant sniffs a lot, uses slang when he speaks, or frequently excuses himself to use the men's room—three behaviors Cosmo believes are characteristic of those with drug addictions. Cosmo's methods illustrate
a. the false-consensus effect. b. a self-fulfilling prophecy. c. confirmatory hypothesis testing. d. the trait negativity bias.
Which statement concerning elder abuse is true? a. The abuser is typically a family member
b. Most victims are under age 80. c. Stress alone appears to be the major trigger of abuse. d. It tends to be a pattern that is transmitted from one generation to the next.