Which of the following lists the three main methods of administering survey questionnaires?
a. Self-administered questionnaires, face-to-face interviews, and mail surveys
b. Face-to-face interviews, mail surveys, and electronic surveys
c. Face-to-face interviews, telephone interviews, electronic surveys
d. Telephone interviews, electronic surveys, and self-administered questionnaires
e. Face-to-face interviews, self-administered questionnaires, and telephone surveys
e
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Answer the following statement(s) true (T) or false (F)
1. The percentage of African Americans living in poverty would increase if official statistics more accurately reflected costs of living in urban areas. 2. The official poverty rates for African Americans have been declining. 3. Since a low point in the mid-1970s, the poverty rates for African Americans have been increasing. 4. The educational attainment gap between whites and blacks has increased for high school graduation rates and decreased for college graduation rates. 5. The infant mortality rate of blacks is more than twice that of whites.
The sample standard deviation is a biased estimator of the population standard deviation. When using sample means as estimators, we correct for bias in the formula for finding confidence intervals by
a. using N - 1 rather than N b. using N rather than N - 1 c. using s rather than Z d. squaring the value of Z
How are wealth and income linked?
A. Wealth produces sources of income. B. Wealth is simply a more specific measurement of income. C. Wealth includes one's status, and status can help someone earn income. D. They are only linked by being measures of money; disparities in one don't influence inequalities in the other one.
One of the reasons for an increased effort for sexuality education in recent decades was ____.
a. the sexual revolution. b. Roe v. Wade. c. the advent of more effective contraception. d. concerns over teen pregnancy.