1. what is the range of the given data set?
a. 50 b. 40 c. 30 d. 20
2. what is the average deviation of the
data set?
a. 20 b. 15 c. 12 d. 10
3. what is the population variance of the given data set?
a. 143 b. 144 c. 145 d. 146
4. what is the population standard deviation of the given data set?
a. 13 b. 11 c. 12 d. 10
5. what is the sample variance of given data set?
a. 160 b. 170 c. 180 d. 190
6. what is the sample standard deviation of the given data set?
a. 12.55 b. 12.35 c. 12.45 d. 12.65​