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anuong05 anuong05
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A year ago

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.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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smiller94107smiller94107
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Posts: 141
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A year ago
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anuong05 Author
wrote...

A year ago
Smart ... Thanks!
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wrote...

2 hours ago
this is exactly what I needed
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