two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.\n| | mean…

two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.\n| | mean number of deliveries | mean absolute deviation (mad) |\n|--|--|--|\n| driver a | 10 | 2 |\n| driver b | 20 | 2 |\nwhich statement about the data is true?\na. the mean number of deliveries for driver a is less than the mean for driver b by 5 mads.\nb. on average, driver a delivers more pizzas in one day than driver b.\nc. the mean number of deliveries for driver a is less than the mean for driver b by 2 mads.\nd. the mad for driver a is less than the mad for driver b.
Answer
Explanation:
Step1: Analyze mean values
Driver A has mean of 10, Driver B has mean of 20. So Driver A's mean is less than Driver B's.
Step2: Calculate difference in means in terms of MAD
Difference in means is (20 - 10=10). MAD for both is 2. Number of MADs in difference is (\frac{10}{2}=5).
Step3: Analyze MAD values
Both have MAD = 2, so MADs are equal.
Answer:
A. The mean number of deliveries for driver A is less than the mean for driver B by 5 MADs.