A study of the ages of 100 persons grouped into intervals 20—22, 22—24, 24— 26……, revealed the mean age and standard deviation to be 32.02 and 13.18, respectively. While checking, it was discovered that the observation 57 was misread as 27. Calculate the correct mean age and standard deviation
A study of the ages of 100 persons grouped into intervals 20—22, 22—24, 24— 26……, revealed the mean age and standard deviation to be 32.02 and 13.18, respectively. While checking, it was discovered that the observation 57 was misread as 27. Calculate the correct mean age and standard deviation
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 13PPS
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A study of the ages of 100 persons grouped into intervals 20—22, 22—24, 24—
26……, revealed the mean age and standard deviation to be 32.02 and 13.18,
respectively. While checking, it was discovered that the observation 57 was
misread as 27. Calculate the correct mean age and standard deviation
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