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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

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BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

For a distribution with a standard deviation of σ = 20, describe the location of each of the following z-scores in terms of its position relative to the mean. For example, z = +1.00 is a location that is 20 points above the mean.

a. z = +2.00

b. z=+0.50

c.    z=–1.00

d.    z =–0.25

a.

To determine

To find: The location of zscore=+1.00 in terms of position relative to the mean.

Explanation

Given Info:

The data represents the standard deviation and z-score for the distribution, the standard deviation s=20. and the z-score is 1.00.

Calculation:

The general formula for finding the location of z-score position is:

x=zs

The location of z-

b.

To determine

To find: The location of zscore=+0.50 in terms of position relative to the mean.

c.

To determine

To find: The location of zscore=1.00 in terms of position relative to the mean.

d.

To determine

To find: The location of zscore=0.25 in terms of position relative to the mean.

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