The data shows the number of seconds it took two randomly selected groups to thread a needle. Compare the measures of center and variability of these data sets.
Student Group A: 56, 14, 26, 28, 29, 45, 32, 80, 3, 10
Student Group B: 27, 24, 18, 19, 5, 16, 22, 10, 6, 20
Which of the following statements about these data sets is false?
a The ranges of the time taken by Group A and Group B are the same.
b The median time taken by members of Group A to thread a needle is higher than that of members of Group B.
c The mean time taken by Group A is higher than that of Group B.
d The amount of variability of the time taken by Group A to thread a needle is higher than the amount of variability of the time taken by Group B.