1.What is the probability that a randomly selected case from a normally distributed distribution will have a score between -1.00 and the mean?

a.0.34

b.0.16

c.0.50

d.0.86

2.Social scientists gather data from samples instead of populations because

a.samples are much larger and more complete.

b.samples are more trustworthy.

c.populations are often too large to test.

d.samples are more meaningful and interesting.

3.Statistics are to parameters as

a.samples are to populations.

b.populations are to samples.

c.medians are to standard deviations.

d.percentages are to proportions.