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A sociologist is studying the social aspect of eating out and in particular is interested in the amount of time people spend in fast food restaurants versus more formal restaurants. She visits one fast food restaurant and has a colleague visit one formal restaurant at the same day/time as her They collectively observe the following times (lengths of visits) in minutes: Fast food 19 21 16 21 30 24 Formal 63 38 72 66 64 78 93 (a) By hand, conduct a formal hypothesis test at 5% level of significance to see if the average time spent in a fast food restaurant is lower than the average time spent in a formal restaurant using the p-value approach. (b) Interpret the p-value found in (a).

A sociologist is studying the social aspect of eating out and in particular is interested in the amount of time people spend in fast food restaurants versus more formal restaurants. She visits one fast food restaurant and has a colleague visit one formal restaurant at the same day/time as her They collectively observe the following times (lengths of visits) in minutes: Fast food 19 21 16 21 30 24 Formal 63 38 72 66 64 78 93 (a) By hand, conduct a formal hypothesis test at 5% level of significance to see if the average time spent in a fast food restaurant is lower than the average time spent in a formal restaurant using the p-value approach. (b) Interpret the p-value found in (a).

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 1E
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A sociologist is studying the social aspect of eating out and in particular is interested in the amount of time people spend in fast food restaurants versus more formal restaurants. She visits one fast food restaurant and has a colleague visit one formal restaurant at the same day/time as her They collectively observe the following times (lengths of visits) in minutes: Fast food 19 21 16 21 30 24 Formal 63 38 72 66 64 78 93 (a) By hand, conduct a formal hypothesis test at 5% level of significance to see if the average time spent in a fast food restaurant is lower than the average time spent in a formal restaurant using the p-value approach. (b) Interpret the p-value found in (a).
Transcribed Image Text:A sociologist is studying the social aspect of eating out and in particular is interested in the amount of time people spend in fast food restaurants versus more formal restaurants. She visits one fast food restaurant and has a colleague visit one formal restaurant at the same day/time as her They collectively observe the following times (lengths of visits) in minutes: Fast food 19 21 16 21 30 24 Formal 63 38 72 66 64 78 93 (a) By hand, conduct a formal hypothesis test at 5% level of significance to see if the average time spent in a fast food restaurant is lower than the average time spent in a formal restaurant using the p-value approach. (b) Interpret the p-value found in (a).
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