The following table shows some data regarding the top 5 grocery chains in Toronto
tutor4helpyouUse the following data for Question 22.
Question 1.The following table shows some data regarding the top 5 grocery chains in Toronto.
Table 1
| |||
Chains
| Number of Stores | Annual Revenue per store($000) | Total Profit ($Million) |
A | 33 | 69800 | 22 |
B | 21 | 42980 | 15 |
C | 25 | 38900 | 19 |
D | 12 | 28905 | 12 |
E | 25 | 54300 | 26 |
a) What is the overall mean annual revenue per store for the five chains shown? (What is the standard deviation of the annual revenue per store? (
b) What is the overall mean profit per store?
c) What is the overall mean profit per chain for the five chains shown?
d) What is the standard deviation of the profit per chain?
Note: Questions 15 – 18 are based on the following Ogive.
The length of stay, t days, that each of 500 guests stayed at a five star hotel was recorded and the results used to construct the Ogive below. Note that the first class is “0 and under 5” and the last class is “35 and under 40”.
Question 2.
Find the approximate average length of stay per guest.
a) 18b) 19c) 19.5d) 18.5 e) cannot be answered
The o give chart for the question is below in the print screen show. The underline above (19) is the answer please explain why this is the awnser.
11 years ago
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solution.docx- data.xlsx
