Question

1. Following is the monthly income of eight families in a locality.
Monthly Income ) : 70, 10, 500, 75, 13, 250, 8, 42
Find out arithmetic mean using Direct Method and Short-cut Method.​

Answer 1

formula for calculating arithmetic mean you need to first arrange the monthly income in increasing order find the submission of the income and divided by the number of terms then you will get your mean