SOLUTION: What is the variance ? What is the standard deviation of the scores? 10|0 9 |2,4,5 8 |1,2,7,9 7 |1,2,8 6 |1,2,8 5 |1,5

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Question 473581: What is the variance ?
What is the standard deviation of the scores?
10|0
9 |2,4,5
8 |1,2,7,9
7 |1,2,8
6 |1,2,8
5 |1,5
Answer by Edwin McCravy(20059)   (Show Source): You can put this solution on YOUR website!
10|0
 9|2,4,5
 8|1,2,7,9
 7|1,2,8
 6|1,2,8
 5|1,5

In this stem-and-leaf diagram,
The first digit(s) is left of the
vertical line and the last digit is on 
the right of it, so, putting the digits 
together we have this set of data:

100,
92,94,95
81,82,87,89
71,72,78
61,62,68
51,55

Variance =  = 228.9166667

Standard deviation = =15.12999229

Edwin
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