How do researchers determine what size sample is necessary?
A) By estimating the variability of the characteristic of the population that they want to measure.
B) By estimating the mean of the characteristic of the population that they want to measure.
C) By estimating the reliability of the survey instrument.
D) Both A and B
Answer: A
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Which of the following is not one of the ways in which state and local governments affect the public?
a. By taxing them b. By regulating interstate commerce c. By operating institutions of higher education d. By repairing and maintaining public highways and roads
The Family Support Act was but the first step in welfare reform, which culminated on August 22, 1996, when President Clinton signed perhaps the most controversial legislation of his presidency—
welfare reform legislation that signaled the end of cash assistance to dependent children by the federal government. Indicate whether the statement is true or false.
This group's success in passing 90 percent of the legislative agenda it has sponsored indicates it is now arguably the most effective interest group in Texas
a. Texas AFL-CIO b. Texas Trial Lawyers Association c. Texas Medical Association d. Texas State Teachers Association e. Christian Coalition
In order to provide an impartial jury, the Supreme Court has ruled that jurors may be sequestered or the venue for the trial changed in cases where there has been substantial publicity
Indicate whether the statement is true or false