Question: How much time (in minutes) do people spend on a typical visit to a local mall? A random sample of n = 104 shoppers was
How much time (in minutes) do people spend on a typical visit to a local mall? A random sample of n = 104 shoppers was timed and the results (in minutes) are stored in the data file Shopping Times.
You were asked to describe graphically the shape of the distribution of shopping times in Exercise. Now describe the shape of the distribution numerically.
a. Find the mean shopping time.
b. Find the variance and standard deviation in shopping times.
c. Find the 95th percentile.
d. Find the five-number summary.
e. Find the coefficient of variation.
f. Ninety percent of the shoppers completed their shopping within approximately how many minutes?
Step by Step Solution
3.38 Rating (160 Votes )
There are 3 Steps involved in it
Minitab Output Descriptive Statistics Time Total Variable Count Mean StDev Variance CoefVa... View full answer
Get step-by-step solutions from verified subject matter experts
Document Format (1 attachment)
488-M-S-D-A (1926).docx
120 KBs Word File
