The following are some of the particulars of the distribution of weight of boys and girls in a class : Boys Girls 100 50 Number Mean weight 60 kg 45 kg 9. 4 Variance (a) Find the standard deviation of the combined data (b) Which of the two distributions is more variable ?
The following are some of the particulars of the distribution of weight of boys and girls in a class : Boys Girls 100 50 Number Mean weight 60 kg 45 kg 9. 4 Variance (a) Find the standard deviation of the combined data (b) Which of the two distributions is more variable ?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 11PT
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Question
![The following are some of the particulars of the distribution of weight of
boys and girls in a class :
Girls
Вoys
100
50
Number
Mean weight
60 kg
45 kg
9.
4
Variance
(a) Find the standard deviation of the combined data
(b) Which of the two distributions is more variable ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2487340-71ed-4743-9b22-0ffc4e47c92e%2F28eb0ea3-eb29-4fc4-93eb-b1634dcce381%2F4sdm1eg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following are some of the particulars of the distribution of weight of
boys and girls in a class :
Girls
Вoys
100
50
Number
Mean weight
60 kg
45 kg
9.
4
Variance
(a) Find the standard deviation of the combined data
(b) Which of the two distributions is more variable ?
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