Share
Explore BrainMass

Percentile Rank Change

Millie and Senta Meter have recently taken Pre and Post test in achievement. The test were normally distributed. Millie's percentile rank changed from 57.93 to 77.34. Senta's changed from 1.07 to 4.95. Which of the following states is correct.

A. Millie improved more the Senta.
B. Senta improved more then Millie.
C. They improved the same amount .

Solution Summary

Millie and Senta Meter have recently taken Pre and Post test in achievement. The test were normally distributed. Millie's percentile rank changed from 57.93 to 77.34. Senta's changed from 1.07 to 4.95. Which of the following states is correct.

A. Millie improved more the Senta.
B. Senta improved more then Millie.
C. They improved the same amount.

$2.19