Question

difference between deviation and step deviation method in statistics class 10?​

Answer 1

Answer:

Hope it helps you.

Step-by-step explanation:

Step Deviation Method (Mean)

Step Deviation : Sometimes, during the application of the short-cut method for finding the mean, the deviation d, are divisible by a common number 'h' .In this case the di = xi – A is reduced to a great extent as di becomes di / h.

Answer 2

In deviation method we use the formula given below

a+ sum of difi /sum of if

were....a,di are explained in the 1st pic below....

In step deviation method the formula is as follows

a+ h(sum of uifi/sum of fi)

were ui and uifi are explained in the 2nd pic below.....