Find the mean of each of the data. 13,34,56,12,712
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Q3
Find the mean and variance for each of the given data xi92939798102104109fi3232633
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Q4
STATEMENT - 1: The mean of the data set of 1000 times is 5. From each item 3 is subtracted and then each number is multiplied by 2. The new mean will be 4. STATEMENT - 2 : The new mean = [{old mean × no. of data set − no. subtracted from each item × no. of data set } × multiple factor ]/no. of data set
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Q5
Find the mean of following data :
18 , 33 ,30 ,21 and 13 .
Also find the sum of deviation of this data from the mean