Example: Table is a frequency distribution of heights of 100 male students at kufa University. Height (in) Number of Students 60-62 63-65 18 66-68 42 69-71 27 72-74 8 Total 100 - find (a) Class width, (b) the class boundaries, and (c) the Class Marks The histogram and frequency polgon

Example: Table is a frequency distribution of heights of 100 male students at kufa University. Height (in) Number of Students 60-62 63-65 18 66-68 42 69-71 27 72-74 8 Total 100 - find (a) Class width, (b) the class boundaries, and (c) the Class Marks The histogram and frequency polgon

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Example:
Table is a frequency distribution of heights of 100 male students at kufa
University.
Height
(in)
Number of
Students
60-62
63-65
18
66-68
42
69-71
27
72-74
8
Total
100
find (a) Class width, (b) the class boundaries, and (c) the Class Marks
The histogram and frequency polygon

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Use the frequency histogram to complete the following parts. Employee Salaries 300- (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. 200- 100- 34.5 44.5 54.5 64.5 74.5 84.5 94.5 Salary (in thousands of dollars) (a) There are 7 classes. Rouanbas
Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. Frequency Employee Salaries 300- 200- 100- ☑ 0 32 37 42 47 52 57 62 Salary (in thousands of dollars) (a) There are classes. (Type a whole number.) (b) The least frequency is about (Round to the nearest whole number as needed.) The greatest frequency is about (Round to the nearest whole number as needed.) (c) The class width is (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? A. About half of the employees' salaries are between $50,000 and $59,000. B. About half of the employees' salaries are between $40,000 and $49,000. C. Less than half of the employees make between $35,000 and $59,000. D. Most employees make less than $34,000 or more than $60,000.
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What are the relative frequencies
1.0 0,9 0.8 8,7 8,6 Cunulative Relative Frequency- 0,5 8.4 8,3 0.2 0,1 10 15 20 Values Based on the graph above, what is the relative frequency of the 15-to-20 class?