Businesses know that customers often respond to background music. Do they also respond to odors? One study of this question took place in a small pizza restaurant in France on two Saturday evenings in May. On one of these evenings, a relaxing lavender odor was spread through the restaurant. On the other evening no scent was used. The data gives the time, in minutes, that two samples of 30 customers spent in the restaurant and the amount they spent in euros. No odor Lavender Minutes Euros spent Minutes Euros spent 103103 15.915.9 9292 21.921.9 6868 18.518.5 126126 18.518.5 7979 15.915.9 114114 22.322.3 106106 18.518.5 106106 21.921.9 7272 18.518.5 8989 18.518.5 121121 21.921.9 137137 24.924.9 9292 15.915.9 9393 18.518.5 8484 15.915.9 7676 22.522.5 7272 15.915.9 9898 21.521.5 9292 15.915.9 108108 21.921.9 8585 15.915.9 124124 21.521.5 6969 18.518.5 105105 18.518.5 7373 18.518.5 129129 25.525.5 8787 18.518.5 103103 18.518.5 109109 20.520.5 107107 18.518.5 115115 18.518.5 109109 21.921.9 9191 18.518.5 9494 18.518.5 8484 15.915.9 105105 18.518.5 7676 15.915.9 102102 24.924.9 9696 15.915.9 108108 21.921.9 107107 18.518.5 9595 25.925.9 9898 18.518.5 121121 21.921.9 9292 15.915.9 109109 18.518.5 107107 18.518.5 104104 18.518.5 9393 15.915.9 116116 22.822.8 118118 18.518.5 8888 18.518.5 8787 15.915.9 109109 21.921.9 101101 25.525.5 9797 20.720.7 7575 12.912.9 101101 21.921.9 8686 15.915.9 106106 22.522.5 Give the value of the test statistic. (Enter your answer rounded to two decimal places.) test statistic=

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Businesses know that customers often respond to background music. Do they also respond to odors? One study of this question took place in a small pizza restaurant in France on two Saturday evenings in May. On one of these evenings, a relaxing lavender odor was spread through the restaurant. On the other evening no scent was used.

The data gives the time, in minutes, that two samples of 30 customers spent in the restaurant and the amount they spent in euros.

No odor	Lavender
Minutes	Euros spent	Minutes	Euros spent
103103	15.915.9	9292	21.921.9
6868	18.518.5	126126	18.518.5
7979	15.915.9	114114	22.322.3
106106	18.518.5	106106	21.921.9
7272	18.518.5	8989	18.518.5
121121	21.921.9	137137	24.924.9
9292	15.915.9	9393	18.518.5
8484	15.915.9	7676	22.522.5
7272	15.915.9	9898	21.521.5
9292	15.915.9	108108	21.921.9
8585	15.915.9	124124	21.521.5
6969	18.518.5	105105	18.518.5
7373	18.518.5	129129	25.525.5
8787	18.518.5	103103	18.518.5
109109	20.520.5	107107	18.518.5
115115	18.518.5	109109	21.921.9
9191	18.518.5	9494	18.518.5
8484	15.915.9	105105	18.518.5
7676	15.915.9	102102	24.924.9
9696	15.915.9	108108	21.921.9
107107	18.518.5	9595	25.925.9
9898	18.518.5	121121	21.921.9
9292	15.915.9	109109	18.518.5
107107	18.518.5	104104	18.518.5
9393	15.915.9	116116	22.822.8
118118	18.518.5	8888	18.518.5
8787	15.915.9	109109	21.921.9
101101	25.525.5	9797	20.720.7
7575	12.912.9	101101	21.921.9
8686	15.915.9	106106	22.522.5