Math, asked by mzeshansajid, 4 months ago

A manufacturer suspects a difference in the quality of the spare parts he receives from two

suppliers. He obtains the following data on the service life of random samples of parts from two

suppliers.

supplier

No. in

sample

Means Standard

deviation

A 50 160 10

B 100 163 5​

Answers

Answered by rababbano27
1

Answer:

a is

Step-by-step explanation:

correct answer

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