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Essentials of Statistics for the B...

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

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Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for the B...

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

Identify the z-score value corresponding to each of the following locations in a distribution.

  • a. Below the mean by 2 standard deviations.
  • b. Above the mean by ½standard deviation.
  • c. Below the mean by 1.50 standard deviations.

(a)

To determine

To Find: Thez-score value corresponding to location below the mean by 2 standard deviations of a distribution.

Explanation

Given info:

The given location is below the mean by 2 standard deviations of a distribution.

Justification:

The sign of z-score indicates whether the X value is above (+)

(b)

To determine

To Find: Thez-score value corresponding to location abovethe mean by 12 standard deviations of a distribution.

(c)

To determine

To Find: Thez-score value corresponding to location below the mean by 1.50 standard deviations of a distribution.

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