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Author Question: For the following frequency distribution,ClassFrequency45 - 47348 - 50651 - 53854 - 56257 - ... (Read 55 times)

moore.cailinf

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on: Mar 25, 2023

Question 1

For the following frequency distribution (assume the data represent a population),

 

Class

Frequency

70 - 79

  5

80 - 89

  9

90 - 99

11

100 - 109

  9

110 - 119

  6


 

a.Compute the mean.
b.Compute the standard deviation.



Question 2

For the following frequency distribution,

 

Class

Frequency

45 - 47

3

48 - 50

6

51 - 53

8

54 - 56

2

57 - 59

1


 

a.Compute the mean.
b.Compute the standard deviation. (Assume the data represent a population.)

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by moore.cailinf on Mar 25, 2023

Marys

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Reply #1 on: Mar 25, 2023
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moore.cailinf

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Reply 2 on: Mar 25, 2023
:D TYSM

vickybb89

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Reply 3 on: Yesterday
Wow, this really help

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