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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

For the following population of N = 6 scores:

3 1 4 3 3 4

  • a. Sketch a histogram showing the population distribution.
  • b. Locate the value of the population mean in your sketch, and make an estimate of the standard deviation (as done in Example 4.2).
  • c. Compute SS, variance, and standard deviation for the population. (How well does your estimate compare with the actual value of σ?)

(a)

To determine

To Sketch: The histogram for the population distribution.

Explanation

Given info: The population scores are 3, 1, 4, 3, 3, 4

Calculation:

Create a frequency distribution table as:

X Frequency
    1     1
    3     3
    4     2

Software procedure:

Step-by-step procedure to obtain the frequency distribution table using the SPSS software:

  • Enter the data under Scores column...

(b)

To determine

To Find: The mean in the histogram

(c)

To determine

To Find: The sum of squared deviations, variance and standard deviation for the population of scores.

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