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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 each of the following samples, determine the interval width that is most appropriate for a grouped frequency distribution and identify the approximate number of intervals needed to cover the range of scores.

  • a. Sample scores range from X = 8 to X = 41.
  • b. Sample scores range from X = 16 to X = 33.
  • c. Sample scores range from X = 26 to X = 98.

a.

To determine

To Find: The interval width that would be best for a grouped frequency distribution and identify the approximate number of intervals needed to cover the range of scores.

Explanation

Given info:

Scores ranges from X=8 to X=41.

Justification:

Sores ranges from X=8 to X=41 that means the smallest score is X=8 and the highest score is X=41

b.

To determine

To Find: The interval width that would be best for a grouped frequency distribution and identify the approximate number of intervals needed to cover the range of scores.

c.

To determine

To Find: The interval width that would be best for a grouped frequency distribution and identify the approximate number of intervals needed to cover the range of scores.

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