All of the following statements are true about t tests EXCEPT:

A) they involve hypothesis-testing procedures
B) they are used when the population variance is unknown
C) they are used when the population variance is known
D) they compare t scores from a sample to a comparison distribution called a t distribution


C

Sociology

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Which of the following is not used as a primary measure of social change when comparing nations?

a. mortality of children under the age of 5 b. the adult illiteracy rate c. the child literacy rate d. the incidence of income poverty

Sociology

Sociological research shows that when married, heterosexual women work outside the home, ______.

A. housework becomes much more equally distributed between husbands and wives B. food preparation in particular becomes the domain of the husband C. women continue to do the majority of the housework D. many families choose to hire a housekeeper from outside the family

Sociology

In 1963, a Birmingham church was firebombed, killing four black children; and National Guardsmen were used to carry out the court-ordered desegregation of the University of Alabama. What does this most illustrate?

a. Competitive power b. Hostile white retaliation c. Black militant resistance d. Civil disobedience

Sociology

When individuals feel an overwhelming sense of normlessness, they fit to Émile Durkheim's definition of ______.

A. exploitation B. anomie C. rationalization D. disorientation

Sociology