(a) What is the z score ?. (b) Determine the proportion of score above the child score.? (c) Determine the percentile rank for the child score. (round alla calculationsa to 2decimal places)
(a) What is the z score ?. (b) Determine the proportion of score above the child score.? (c) Determine the percentile rank for the child score. (round alla calculationsa to 2decimal places)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
The peabody vocabulary test score has a mean of 100 and a standard deviation of 15. You tested a child score and was computed to be 77.?
(a) What is the z score ?.
(b) Determine the proportion of score above the child score.?
(c) Determine the percentile rank for the child score.
(round alla calculationsa to 2decimal places)
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