The mean and standard deviations of 200 items are found to be 60 and 20 respectively . But at the time of calculation , two items were wrongly taken as 3 and 67 instead of 18 and 17 respectively .Find the correct mean and correct standard deviation
The mean and standard deviations of 200 items are found to be 60 and 20 respectively . But at the time of calculation , two items were wrongly taken as 3 and 67 instead of 18 and 17 respectively .Find the correct mean and correct 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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time of calculation , two items were wrongly taken as 3 and 67 instead of 18 and 17 respectively
.Find the correct mean and correct standard deviation
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