Question

let the simple arithmetic mean and mean deviation to the value of x, y, 4, 17, 3 respectively are 8 and 4

Answer 1

Step-by-step explanation:

Marks of 12 students in a unit test are given as 4,21,13,17,5,9,10,20,19,12,20,14. Assume a mean and calculate the arithmetic mean of the data. Assume another number as mean and calculate the arithmetic mean again. Do you get the same result? Comment. Estimated mean=10say and 12say