Use the frequency distributions and histograms for weekly usage and waiting time in the car-sharin data provided along with the formulasshown, where fi is the frequency of observation i, to find the samplemean, on theleft, and samplevariance, on the right. Check your results using Excel functions with the original data.

Complete the table below to calculate the mean for the weekly usage.

(Type integers or decimals rounded to two decimal places asneeded.)

Values Frequency fixi

0 1

1 5

2 9

3 3

4 0

5 1

6 0

7

Data

Gender Service Used Booking Time Weekly Usage Waiting Time

Male Lyft Evening 3 5

Female Uber Morning 3 10

Male Lyft Evening 1 5

Male Lyft Night 2 10

Female Uber Evening 1 5

Male Uber Morning 2 5

Male Lyft Afternoon 2 5

Male Uber Night 0 5

Male Uber Morning 2 10

Female Uber Morning 7 10

Female Lyft Morning 2 20

Male Lyft Morning 2 10

Male Uber Morning 2 15

Male Uber Evening 1 5

Female Uber Evening 2 10

Female Uber Afternoon 1 5

Male Uber Evening 2 5

Male Uber Morning 5 10

Male Uber Morning 1 10

Female Lyft Afternoon 3 5