Question

The assumed mean method to findean is​

Answer 1

Answer:

For ungrouped data, the formula for assumed mean is A+ sd/N where A is the assumed mean, sd is the summation of X-A for all figures and N is the frequency or the number of element in the given data.

Answer 2

Answer:

The formula of the assumed mean method is: Here, a = assumed mean. fi = frequency of ith class. di = xi – a = deviation of ith class.