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A company had 80 employees whose salaries

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Subject: Statistics
Due on: 11/25/2017
Posted On: 11/25/2017 12:41 PM

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Frequency Distribution and Standard Deviation

1. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Find the standard deviation of the data summarized in the given frequency distribution.

Salary Number of Employees

5,001 -10,000 14

10,001 - 15,000 13

15,001 - 20,000 18

20,001 - 25,000 18

25,001 - 30,000 17

2. The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation.

Height (in.) Frequency

70-71 3

72-73 7

74-75 16

76-77 12

78-79 10

80-81 4

82-83 1.

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