Question

(2) (3) 1.0001 (4) 0.99999 n a frequency table of interval size h, with usual notations, the relation between the actual mean . assumed mean a and the mean of deviations, a is​

Answer 1

Answer:

Step Deviation Method: Calculating the Mean by using Step Deviation Method.

Mean,

x

=A+h

∑

i=1

n

f

i

∑

i=1

n

f

i

u

i

Where,

h= Class size

u

i

=

h

x

i

−A

A= The middle value that is assumed as the mean for calculation,

∑

i=1

n

f

i

= Sum of the frequencies given, can be denoted by N.