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identify the class width, class midpoints, and class

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 5BSC 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 5BSC

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 5BSC

We know that, the numbers used to separate the classes in a frequency distribution known as class boundaries so that the continuity in the classes without the gaps created by class limits. The value in the middle of the class known as Class midpoint and is computed by summing the lower and upper class limits and dividing the result by 2. The difference between two consecutive upper class limits in a frequency distribution known as the class width.

For first class, the midpoint of that class is  and the class width of that class is.

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

Age (years) of

Best actress when

Oscar was won

Frequency

Lower

Class

Limits

Upper

Class

Limi1ts

Class Boundaries

Class

Mid

Points

Class

Width

Lower

Upper

20-29

27

20

29

19.5

29.5

24.5

10

30-39

34

30

39

29.5

39.5

34.5

10

40-49

13

40

49

39.5

49.5

44.5

10

50-59

2

50

59

49.5

59.5

54.5

10

60-69

4

60

69

59.5

69.5

64.5

10

70-79

1

70

79

69.5

79.5

74.5

10

80-89

1

80

89

79.5

89.5

84.5

Step 2 of 3

Chapter 2.2, Problem 5BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The answer to “?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.” is broken down into a number of easy to follow steps, and 28 words. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The full step-by-step solution to problem: 5BSC from chapter: 2.2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This full solution covers the following key subjects: class, frequency, distributions, BSC, appendix. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Since the solution to 5BSC from 2.2 chapter was answered, more than 383 students have viewed the full step-by-step answer.

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