Chapter 3, Problem 3.48RE

(a)

To determine

To Explain: these numbers mean.

Explanation of Solution

It means that 97 percent of the students scores equal or less than to the researcher’s score on the national standardized math test, there is only 72 percent scored less than or equal to researcher’s score on the reading part.

(b)

To determine

To Explain: that calculation of z-scores for his math and reading performance is possible.

Answer to Problem 3.48RE

Yes

Explanation of Solution

Because using the table A to look up the z-score corresponding to 97 percent =0.97 and 72 percent =0.72