In a college, the number of absentees recorded over a period of 30 days was as shown in the frequency distribution table Number of absentees 0-4 5-9 10-14 1...

Question 1 Report

In a college, the number of absentees recorded over a period of 30 days was as shown in the frequency distribution table

Number of absentees 0-4 5-9 10-14 15-19 20-24
Number of Days  1 5 10 9 5

Calculate the : (a) Mean

(b) Standard deviation , correct to two decimal places.

 

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