Many people think that a national lobby's successful fight against gun control legislation is reflecting the will of a minority of Americans. A random sample of 4000 citizens yielded 2200 who are in favor of gun control legislation.
Find the point estimate for estimating the proportion of all Americans who are in favor of gun control legislation. A) 0.5500 B) 2200 C) 4000 D) 0.4500
Question 2
A psychologist wants to measure the effect of music on memory. He randomly selects 80 students and measures their scores on a memory test conducted in silence.
The next day he measures their scores on a similar test conducted while classical music is playing. The mean score without music is compared to the mean score with music. A) quantitative, dependent B) qualitative, dependent
C) quantitative, independent D) qualitative, independent
