Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN: 9780547587776
Author: HOLT MCDOUGAL
Publisher: HOLT MCDOUGAL
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 Is there an association between hair color and body type? The table below shows the results of a researcher's observations of randomly selected people.

Frequencies of Hair Colors for Various Body Types

  Blonde Brunette Red Head
Short and Slender 73 90 43
Short and Pudgy 110 108 70
Tall and Slender 53 99 70
Tall and Heavy 60 106 78

α = 0.05 significance level

  1. The test-statistic for this data =  (Please show your answer to three decimal places.)

  2. The p-value for this sample = (Please show your answer to four decimal places.) 
  3. Thus, the final conclusion is...
    • There is sufficient evidence to conclude that hair color and body type are dependent.
    • There is insufficient evidence to conclude that hair color and body type are dependent.
    • There is sufficient evidence to conclude that hair color and body type are independent.
    • There is sufficient evidence to conclude that the distribution of hair color is not the same for each body type.
    • There is insufficient evidence to conclude that the distribution of hair color is not the same for each body type.
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