The manager in the local supermarket wanted to know whether it is worth the trouble to keep
Question:
The manager in the local supermarket wanted to know whether it is worth the trouble to keep the store open 24 h a day. He randomly sampled and recorded 20 nights’ sales and got
Use M1NITAB to answer the following questions:
(a) Estimate the average sales per night.
(b) Construct the 90 % confidence level for the average sales.
Transcribed Image Text:
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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