Q4) Data of 100 student scores was recorded in a statstistics exam. The arithmetic mean and standard deviation of the data were 60 and 15 respectively. After checking, it was found that there was an error in input the score of 2 students. The incorrect scores were 27 and 40, while the :correct scores were 72 and 45. Thus * :The correct standard deviation is 11.1678 O 11.2541 O 12.3768 O 12.5241 O none of all above O
Q4) Data of 100 student scores was recorded in a statstistics exam. The arithmetic mean and standard deviation of the data were 60 and 15 respectively. After checking, it was found that there was an error in input the score of 2 students. The incorrect scores were 27 and 40, while the :correct scores were 72 and 45. Thus * :The correct standard deviation is 11.1678 O 11.2541 O 12.3768 O 12.5241 O none of all above O
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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