A researcher believes that the mean earnings of top-paid actors, athletes and musicians are the same. T earnings (in millions of dollars) for several randomly selected people from each category are shown in th table below. It has been confirmed that the population variance for each group is equal and that earning follow a normal distribution for top-pain actors, athletes and musicians. Use a 5% significance to test the claim. Job Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Earnings 31 34 33 26 21 33 30 36 27 27 34 37 36 23 30 39 46 41 36 50 30 44 43 44 46 54 65 30 39 52 37 41 45 60 60 31 49 45 45 What is the factor variable? Top-Paid Job Type V What is the response variable? Earnings Test Statistic: 15.2043 X 0° P-Value: 0.0000 Decision Rule: Reject the Null Did Something Significant Happen? |Significance Happened There is oto conclude At least one true average earning is different between Top-Paid actors, athletes and musicians.
A researcher believes that the mean earnings of top-paid actors, athletes and musicians are the same. T earnings (in millions of dollars) for several randomly selected people from each category are shown in th table below. It has been confirmed that the population variance for each group is equal and that earning follow a normal distribution for top-pain actors, athletes and musicians. Use a 5% significance to test the claim. Job Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Earnings 31 34 33 26 21 33 30 36 27 27 34 37 36 23 30 39 46 41 36 50 30 44 43 44 46 54 65 30 39 52 37 41 45 60 60 31 49 45 45 What is the factor variable? Top-Paid Job Type V What is the response variable? Earnings Test Statistic: 15.2043 X 0° P-Value: 0.0000 Decision Rule: Reject the Null Did Something Significant Happen? |Significance Happened There is oto conclude At least one true average earning is different between Top-Paid actors, athletes and musicians.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.2: Box-and-whisker Plots
Problem 1E
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