Chemistry, asked by rohanmaheshwari24, 4 months ago

The weekly observations on cost of living index in a certain city for a particular year are given below.

Cost of living index
140-150
150-160
160-170
170-180
180-190
190-200

Number of
weeks
5
8
20
9
6
4

Calculate mean weekly cost of living index by using Step deviation Method​

Answers

Answered by pinkalmodi778
0

Answer:

140

Explanation:

please explain your questions first .

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