10.how many numbers of value are indicated
A. 3 B. 4 C. 12 D. 15
11.what is the mean of scores?
A. 17 B. 17.5 C. 18 D. 18.5
12. The range of the score is___
A. 36 B. 21 C. 15 D. 6
13.what is the mean of diviations from the mean?
A. 1 B. 2 C. 3 D. 4
14.what is the sum of the squared deviation from the mean?
A. 20 B. 18 C. 15 D. 10
15.the calculated veriance rounded to the nearest hundredth is_____
A. 6.67 B. 6.22 C. 5.35 D. 3.48