JEE Main 2023 Mathematics question
Let the mean of the data x: 1,3,5,7,9 frequency(f): 4,24,28,,8 be 5. If m and are respectively the mean deviation about the mean and the variance of the data, then is equal to .
Answer: 8
Let the mean of the data x: 1,3,5,7,9 frequency(f): 4,24,28,,8 be 5. If m and are respectively the mean deviation about the mean and the variance of the data, then is equal to .