1 The mean of marks in Statistics of 100 students in a class was 72. The mean of marks of 70 boys was 75. Find out the mean marks of girls in the class.

Essentials of Business Analytics (MindTap Course List)
2nd Edition
ISBN:9781305627734
Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
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Chapter2: Descriptive Statistics
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Problem 23P: Suppose that the national average for the math portion of the College Boards SAT is 515. The College...
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1 The mean of marks in Statistics of 100 students in a class
was 72. The mean of marks of 70 boys was 75. Find out the mean
marks of girls in the class.
Transcribed Image Text:1 The mean of marks in Statistics of 100 students in a class was 72. The mean of marks of 70 boys was 75. Find out the mean marks of girls in the class.
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