Calculate the standard deviation of students' study time: Number of Hours Number of Students 0 - 2 5 2-4 13 4-6 24 6-8 17 8-10 6 a. 5.2 b. 4.52 c. 3.8 d. 2.12

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Calculate the standard deviation of students' study time:

 

Number of Hours Number of Students          
0 - 2 5          
2-4 13          
4-6 24          
6-8 17          
8-10 6

a.

5.2

b.

4.52

c.

3.8

d.

2.12

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