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Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.2 - Problem 6bsc
Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.2 - Problem 6bsc

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# Solved: identify the class width, class midpoints, and

ISBN: 9780321836960 18

## Solution for problem 6BSC Chapter 2.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 6BSC

In Exercises 5–10, 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 1 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

The complete table with all details is shown below:

 Age (years) of Best actor when Oscar was won Frequency Lower Class Limits Upper Class Limi1ts Class Boundaries Class Mid Points Class Width Lower Upper 20-29 1 20 29
Step 2 of 3

Step 3 of 3

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