In a t test of differences between means, increasing sample size will affect
a. degrees of freedom.
b. standard deviation of the sampling distribution.
c. t score.
d. All of the above
ANSWER: d
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In the United States, 28 percent of children live in a household in which both parents are unemployed or have no secure employment
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Sentiment against Jews in America rose during the Great Depression. 2. Like most middleman minority ethnics, Jews have not been politically active in America. 3. Proportionate to their numbers in the general population, Jewish Americans are overrepresented in Congress. 4. Discrimination against Jews in America has largely been informal. 5. Nowadays, Jews rarely have to face exclusion or quotas in clubs and fraternal organizations.
The text suggests that as rates of cohabitation rise
A) rates of marriage also rise. B) rates of marriage remains the same. C) rates of marriage decline. D) None of the above is true.
The gas gauge on your car is broken and always drops to empty when the tank is just half full. Although the gauge is inaccurate, it can still be said to be _____
a. valid b. reliable c. an independent measure d. inconsistent