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Zip codes revisited Here are some summary statistics to go
Chapter 1, Problem 56E(choose chapter or problem)
Problem 56E
Zip codes revisited Here are some summary statistics to go with the histogram of the zip codes of 500 customers from the Holes-R-Us Internet Jewelry Salon that we saw in Exercise:
Exercise
Zip codes Holes-R-Us, an Internet company that sells piercing jewelry, keeps transaction records on its sales. At a recent sales meeting, one of the staff presented a histogram of the zip codes of the last 500 customers, so that the staff might understand where sales are coming from. Comment on the usefulness and appropriateness of the display.
Count |
500 |
Mean |
64,970.0 |
StdDev |
23,523.0 |
Median |
64,871 |
IQR |
44,183 |
Q1 |
46,050 |
Q3 |
90,233 |
What can these statistics tell you about the company’s sales?
Questions & Answers
QUESTION:
Problem 56E
Zip codes revisited Here are some summary statistics to go with the histogram of the zip codes of 500 customers from the Holes-R-Us Internet Jewelry Salon that we saw in Exercise:
Exercise
Zip codes Holes-R-Us, an Internet company that sells piercing jewelry, keeps transaction records on its sales. At a recent sales meeting, one of the staff presented a histogram of the zip codes of the last 500 customers, so that the staff might understand where sales are coming from. Comment on the usefulness and appropriateness of the display.
Count |
500 |
Mean |
64,970.0 |
StdDev |
23,523.0 |
Median |
64,871 |
IQR |
44,183 |
Q1 |
46,050 |
Q3 |
90,233 |
What can these statistics tell you about the company’s sales?
ANSWER:
The statistics can tell you that the company's customers are predominantly from the 64-65k range, as evidenced by the mean, median, and Q1 & Q3 metrics.