BUS108

1

Mamma Mia Pizza offers free delivery of their pizza. The following summary information concerns the time of deliveries: mean time is 20 minutes, median time is 18 minutes, the first quartile is 10 minutes, and the third quartile is 25 minutes. What percent of the deliveries take more than 10 minutes?

Select one:

A 25%

B There is not enough information to answer this question.

C 100%

D 50%

E 75%

2

A magazine publisher mails a survey to every tenth subscriber on the mailing list and asks, how many hours per week they read magazines. From the 200 respondents, the mean was 2.6 hours per week and the standard deviation was 0.5 hours per week. Which of the following best describes 2.6 hours?

Select one:

A sample size

B population standard deviation

C population mean

D sample mean

E sample standard deviation

3

UberEATS restaurant meal delivery service (www.ubereats.com) delivers food from selected restaurants directly to customers. Excel was used to create the following descriptive statistics for a random sample of deliveries of one particular UberEATS driver regarding food delivery times on one randomly selected day.

Delivery times (minutes) Mean 14.1538 Median 12 Mode 10 Standard Deviation 8.764 Sample variance 76.8077 Range 30 Minimum 5 Maximum 35 Count 13 Extra Summary (in minutes) Minimum Q1 Q2 Q3 Q4 un 8 12 20 35