6. Suppose Group A had a variance of 100 while Group B had a standard deviation of 11.

Which group has more variability in its scores?

a. Group A

b. Group B

c. The two groups have equal levels of variability

d. This question cannot be answered without additional information

7. After a recent debating tournament, you found out that your debating skill was three standard deviations above the mean. You know that 1000 debaters were competing in the tournament.

How many of those debaters did you debate better than?

Use the empirical rule and round to the closest whole number.

a. 870

b. 13

c. 999

d. 1

Please can i have 6 and 7