Concept explainers
To identify: The provided data is sufficient evidence to indicate that the probability of finding manganese nodules in the Deepsea earth’s crust is dependent on the magnetic-age classification.
Answer to Problem 14.35SE
The data is sufficient evidence to indicate the equal preference for all polished patches of floor.
Explanation of Solution
Given information:
Sample of
Polish | |||||
Frequency |
Calculation:
The null hypothesis,
The alternative hypothesis,
If the test statistic
From the given data,
Expected count is equal for all polished patches of floor
Since, from the null hypothesis there is equal preference for the five polished patches of floor.
i.e.
ObservedCount
| Expected Count
| ObservedCount − Expected Count
| ||
| ||||
| ||||
| ||||
| ||||
|
The chi-square statistic is,
The test statistic has,
P-value is,
The P-value is larger than the
That means data is sufficient evidence to indicate the equal preference for all polished patches of floor.
Now, to find the polish
Consider, proportions for polished patches,
Polish | |||||
Frequency |
Yes, the polish
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Chapter 14 Solutions
Introduction to Probability and Statistics
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL