Math, asked by priyanksachdeva69, 9 months ago

Q1: The CAT scores of 60 students are summarized below:
Class 40-50 50-60 60-70 70-80
80-90 90-100
Frequency
10
12
15
10
5
Calculate the sample mean, the sample variance and the standard deviation for the grouped data.

Answers

Answered by chetanhn123

0

Answer:

Step-by-step explanation:

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