Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.5 and the standard deviation was 5.1. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? What test scores are significantly high?
Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.5 and the standard deviation was 5.1. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? What test scores are significantly high?
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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Consider a value to be significantly low if its z score less than or equal to
minus−2 or consider a value to be significantly high if its z score is greater than or equal to 2.
A test is used to assess readiness for college. In a recent year, the mean test score was 21.5 and the standard deviation was 5.1. Identify the test scores that are significantly low or significantly high.
What test scores are significantly low?
What test scores are significantly high?
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