Author Question: When Scholastic Achievement Test scores (SATs) are sent to test-takers, the percentiles associated ... (Read 114 times)

karateprodigy · **on:** Jun 24, 2018

When Scholastic Achievement Test scores (SATs) are sent to test-takers, the percentiles associated with scores are also given. Suppose a test-taker scored at the 98th percentile on the verbal part of the test and at the 29th percentile on the quantitative part. Interpret these results.

A) This student performed better than 98 of the other test-takers on the verbal part and better than on the quantitative part.
B) This student performed better than 2 of the other test-takers on the verbal part and better than on the quantitative part.
C) This student performed better than 2 of the other test-takers on the verbal part and better than 29 on the quantitative part.
D) This student performed better than 98 of the other test-takers on the verbal part and better than 29 on the quantitative part.

Question 2

The probability that an individual is left-handed is 0.12. In a class of 30 students, what is the mean and standard deviation of the number of left-handed students? Round to the nearest hundredth when necessary.

A) mean: 30; standard deviation: 1.78 B) mean: 3.6; standard deviation: 1.9
C) mean: 30; standard deviation: 1.9 D) mean: 3.6; standard deviation: 1.78