The mean score of a competency test is 69, with a standard 1) deviation of 6. Use the Empirical Rule to find the percentage of scores between 57 and 81. (Assume the data set has a bell-shaped distribution.)
The mean score of a competency test is 69, with a standard 1) deviation of 6. Use the Empirical Rule to find the percentage of scores between 57 and 81. (Assume the data set has a bell-shaped distribution.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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The mean score of a competency test is 69, with a standard 1) deviation of 6. Use the
percentage of scores between 57 and 81. (Assume the data
set has a bell-shaped distribution.)
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