These amounts detail a random sample of the final amount on sales receipts from a grocery store.
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Question:
These amounts detail a random sample of the final amount on sales receipts from a grocery store. The grocer thinks that people on average spend $135 per sale. Use the values on the file to test whether or not the mean sales at the grocery store are different from $135 using alpha of .05. What is the critical value, test statistic, and decision.
Amount
100.21
125.36
117.3
141.69
152.33
99.36
125.32
122.85
121
130.66
147.55
166.38
100.85
112.56
124.36
200.1
144.36
109.65
132.33
122.65
100.47
111.99
145.77
137.82
133.64
125.66
124.99
109.54
122.87
123.65
144.6
117.65
123.6
124.88
132.77
Expert Answer:
Required solution Values X X i X 2 10021 7671626 12536 64908 1173 1125233 14169 1899518 15233 596448... View the full answer
Related Book For 
Statistics for Business and Economics
ISBN: 978-0132930192
8th edition
Authors: Paul Newbold, William Carlson, Betty Thorne
Posted Date:
