Given
[tex]9,7,6,8,7,5[/tex]
Mean
Mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.
[tex]Mean=\frac{9+7+6+8+7+5}{6}=\frac{42}{6}=7[/tex]
Standard deviation
Recall
[tex]SD=\sqrt{\frac{10}{6}}=\:1.29099[/tex]
