The randomly selected delivery times (in minutes) of two fast food restaurants are as follows.

Question

Fast Food 1 Fast Food 2
42 40
38 37
37 40
39 41
38 38
40 46
45 41
41 37
40 40
Which of the following statements is false?

a Neither data set contains an outlier.
b Both fast food restaurants have the same mean delivery time of 40 minutes.
c Both fast food restaurants have exactly one modal delivery time of 40 minutes.
d Both fast food restaurants have the same median delivery time of 40 minutes.

Answer 1

c Both fast food restaurants have exactly one modal delivery time of 40 minutes. (Fast Food 1 has two modes, 38 and 40, while Fast Food 2 has one mode at 40)