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
- The test-statistic for this data = (Please show your answer to three decimal places.)
- The p-value for this sample = (Please show your answer to four decimal places.)
- 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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