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Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results.   Credit Score Class Less than 650 650–750 More than 750 Income < $50,000 31 21 21 $50,000 ≤ Income < $100,000 41 57 45 $100,000 ≤ Income < $150,000 54 24 22 Income ≥ $150,000 35 24 25 The test statistic for this sample is ________.   Multiple Choice 15.380 16.934 20.665

Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results.   Credit Score Class Less than 650 650–750 More than 750 Income < $50,000 31 21 21 $50,000 ≤ Income < $100,000 41 57 45 $100,000 ≤ Income < $150,000 54 24 22 Income ≥ $150,000 35 24 25 The test statistic for this sample is ________.   Multiple Choice 15.380 16.934 20.665

MATLAB: An Introduction with Applications
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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Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results.

  Credit Score
Class Less than 650 650–750 More than 750
Income < $50,000 31 21

21
$50,000 ≤ Income < $100,000 41 57 45
$100,000 ≤ Income < $150,000 54 24 22
Income ≥ $150,000 35 24 25


The test statistic for this sample is ________.

 

Multiple Choice

  • 15.380

  • 16.934

  • 20.665

     
AutoTrader.com would like to test if a difference exists in the age of three different types of vehicles currently on the road: trucks, cars, and vans. The following data represent the age of a random sample of trucks, cars, and vans. Trucks 11 8 10 10 Cars Vans 9 2 7 9 4 The mean square for treatments (MSTR) for these observations is Multiple Choice O о 2.0 9 15 4.7 6.25 12.5
Transcribed Image Text:AutoTrader.com would like to test if a difference exists in the age of three different types of vehicles currently on the road: trucks, cars, and vans. The following data represent the age of a random sample of trucks, cars, and vans. Trucks 11 8 10 10 Cars Vans 9 2 7 9 4 The mean square for treatments (MSTR) for these observations is Multiple Choice O о 2.0 9 15 4.7 6.25 12.5
Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results. Income $50,000 $50,000 ≤ Income < $100,000 $100,000 ≤ Income < $150,000 Income 2 $150,000 Class Multiple Choice O O O The expected number of individuals with Income between $50,000 and $100,000 and a credit score less than 650 is 24.2 26.7 31.7 Less than 650 22 45 39 31 48.3 Credit Score 650-750 25 47 30 28 More than 750 31 49 30 23
Transcribed Image Text:Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results. Income $50,000 $50,000 ≤ Income < $100,000 $100,000 ≤ Income < $150,000 Income 2 $150,000 Class Multiple Choice O O O The expected number of individuals with Income between $50,000 and $100,000 and a credit score less than 650 is 24.2 26.7 31.7 Less than 650 22 45 39 31 48.3 Credit Score 650-750 25 47 30 28 More than 750 31 49 30 23
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