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Question 1
What is the mean deviation about the mean for the data 13 , 17 , 33 , 15 , 28 , 31 , 18 , 21?
Question 2
Direction: Study the following information carefully and answer the questions given beside:
A survey of a group of 1250 students is conducted to know about their likeness of sports. 68% students like Football, 69.6% like Cricket and 64% like Badminton. 14.4% of them like only Football, 16.8% like only Cricket and 8.8% like only Badminton.
What percent of student like at least two sports
Question 3
Find standard deviation of data given by 22,25,28,30,35
Question 4
The Geometric Mean of the numbers 
is
is
Question 5
The mean of 200 observations is 60 and standard deviation is 12 . If 10 is subtracted from each observation and then it is divided by 5 , then what will be the sum of new mean and new standard deviation ?
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Mar 17CDS & Defence
