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In Spring 2014 922 Stat100 students responded to this survey question: "20 years down the road, what do you expect your income to be?" Are there differences between the 5 ethnic groups (White, Black, Hispanic, Asian, Mixed/Other) on how much they expect to be earning 20 years from now? Here are the results: Level of Ethnicity Average SD

In Spring 2014 922 Stat100 students responded to this survey question: "20 years down the road, what do you expect your income to be?" Are there differences between the 5 ethnic groups (White, Black, Hispanic, Asian, Mixed/Other) on how much they expect to be earning 20 years from now? Here are the results: Level of Ethnicity Average SD

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Chapter 39 Question In Spring 2014 922 Stat100 students responded to this survey question: "20 years down the road, what do you expect your income to be?" Are there differences between the 5 ethnic groups (White, Black, Hispanic, Asian, Mixed/Other) on how much they expect to be earning 20 years from now? Here are the results: Level of Ethnicity Average SD Expected Income White 114700 45780 475 Expected Income Black 136800 50840 106 Expected Income Hispanic 110900 43400|112 Expected Income Asian 125100 53280 190 Expected Income Other 112800 49960 39 First do an overall test to see if any of the differences are significant in the population given that R2 = 0.02670 a. Compute the Chi Square Statistic. Submit Answer Tries 0/2 b. How many degrees of freedom? 921 Submit Answer Incorrect. Tries 1/2 Previous Tries p-value = % (Use this this online calculator.) Submit Answer Tries 0/3 c. Now Compute the F Statistic. 6.29
Transcribed Image Text:Chapter 39 Question In Spring 2014 922 Stat100 students responded to this survey question: "20 years down the road, what do you expect your income to be?" Are there differences between the 5 ethnic groups (White, Black, Hispanic, Asian, Mixed/Other) on how much they expect to be earning 20 years from now? Here are the results: Level of Ethnicity Average SD Expected Income White 114700 45780 475 Expected Income Black 136800 50840 106 Expected Income Hispanic 110900 43400|112 Expected Income Asian 125100 53280 190 Expected Income Other 112800 49960 39 First do an overall test to see if any of the differences are significant in the population given that R2 = 0.02670 a. Compute the Chi Square Statistic. Submit Answer Tries 0/2 b. How many degrees of freedom? 921 Submit Answer Incorrect. Tries 1/2 Previous Tries p-value = % (Use this this online calculator.) Submit Answer Tries 0/3 c. Now Compute the F Statistic. 6.29
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