Solved: identify the class width, class midpoints, and

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Problem 6BSC Chapter 2.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 6BSC

identify the class width, class midpoints, and class boundaries for the given frequency distribution. The frequency distributions are based on real data from Appendix B.

Step-by-Step Solution:
Step 2 of 3

Solution  6BSC

The class width

Class Midpoints are the values in the middle of the classes which will be computed by adding the lower class limit to the upper class limit and dividing the sum by 2.

Age (years) of Best actor when Oscar was won

Mid points

Class Width

20-29

10

30-39

10

40-49

10

50-59

10

60-69

10

70-79

10

Class Boundaries:

Similarly, for other classes calculated and given in the following table:

Age (years) of Best actor when Oscar was won

Class boundaries

20-29

20-0.5 - 29+0.5 = 19.5 - 29.5

30-39

30-0.5 - 39+0.5 = 29.5 - 39.5

40-49

40-0.5 - 49+0.5 = 39.5 - 49.5

50-59

50-0.5 - 59+0.5 = 49.5 - 59.5

60-69

60-0.5 - 69+0.5 = 59.5 - 69.5

70-79

70-0.5 - 79+0.5 = 69.5 - 79.5

Step 3 of 3

Chapter 2.2, Problem 6BSC is Solved
Textbook: Elementary Statistics
Edition: 12th
Author: Mario F. Triola
ISBN: 9780321836960

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