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Chapter 3: Q. 3.147 (page 125)

A data set consists of 2m2-1zeroes, one -mand one m.

a. Compute x^and sfor this data.

b. How many standard deviations from the mean is the observation m?

c. Assuming that m≥4, what percentage of the observations lie within three standard deviation to either side of the mean?

Short Answer

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Step by step solution

01

Part(a) Step 1: Given information

We have been given that data set comprise of 2m2-1zeroes, one-mand onem.

We need to find out mean, that is, x^and standard deviation, that is, s.

02

Part(a) Step 2: Simplify

xi
fi
0
2m2-1
-m
1
m
1

Mean,

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