An Olympic diver received the following scores: 7, 4, 8, 10, and 6. The standard deviation of her scores is in which of the following ranges?
Choose the correct choice from the following options.
A) 0-1.9 B) 2-3.9 C) 4 – 6.9 D) 7 – 7.9 E) 8 – 9.9
7+4+8+10+6/5 =7   | 7-7= 
<gadget id="calculator"> 7-7</gadget>
<output>0</output>
0 0^2= 0   |4-7| = 3^2 = 9   | 8-7= 
<gadget id="calculator"> 8-7</gadget>
<output>1</output>
1^2=1   | 10-7= 
<gadget id="calculator"> 10-7</gadget>
<output>3</output>
3^2= 9   |6-7| = 1^2 = 1   SD = sqrt 20/5 = 2   Answer : 2-3.9
<result>B</result>
An Olympic diver received the following scores: 7, 4, 8, 10, and 6. The standard deviation of her scores is in which of the following ranges?