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Under the appropriate null hypothesis, what is the expected number of heart attacks that occur on Monday?

Under the appropriate null hypothesis, what is the expected number of heart attacks that occur on Monday?

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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There have been many studies that looked at the incidence of heart attack on the different days of the week. Studies in Japan and Scotland seemed to find that there was a substantial "spike" in heart attacks on Mondays, perhaps as much as 20% more. A researcher studied a random selection of 200 heart attack victims and recorded the day of the week that their attack occurred. The following table summarizes the results. Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday Count 24 36 27 26 32 26 29 The researcher was interested in whether the distribution of heart attacks was the same or different across the days of the week. Under the appropriate null hypothesis, what is the expected number of heart attacks that occur on Monday? 36.0 28.6 Not within ± 1 of any of these 34.3 40.2
Transcribed Image Text:There have been many studies that looked at the incidence of heart attack on the different days of the week. Studies in Japan and Scotland seemed to find that there was a substantial "spike" in heart attacks on Mondays, perhaps as much as 20% more. A researcher studied a random selection of 200 heart attack victims and recorded the day of the week that their attack occurred. The following table summarizes the results. Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday Count 24 36 27 26 32 26 29 The researcher was interested in whether the distribution of heart attacks was the same or different across the days of the week. Under the appropriate null hypothesis, what is the expected number of heart attacks that occur on Monday? 36.0 28.6 Not within ± 1 of any of these 34.3 40.2
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