Question

Write the formula for finding arithmetic mean by step deviation method of a data and explain each term?

Answer 1

Answer:

Mean = a + sigma FiUi × h

¯¯¯¯¯¯¯¯¯¯¯¯

sigma Fi

Step-by-step explanation:

Here, a = assumed no. in Xi

sigma FiUi = addition of all the FiUi

sigma Fi = addition of all the frequencies

h = distance between the two no. in the given class [h = big no. - small no. of the claa]