Solution: A coffeehouse wishes to see whether customers have any preference among five different roasts of coffee. A sample of 200 customers provided the
Question:
A coffeehouse wishes to see whether customers have any preference among five different roasts of coffee. A sample of 200 customers provided the data shown in the table below. Test the claim that the customers do not have a preference for one type of roast over another. Use
level of significance.
|
Coffee:
Type of Roast |
Number of Customers
(Preferring this Roast over Others) |
| "Eye Opener" | 37 |
| "Dragons Breath" | 38 |
| "Mediocre Medium" | 52 |
| "Decaf Ennui" | 45 |
| "Hazelnut Heaven" | 28 |
- State the null and alternative hypotheses. (2 points)
- Find the critical value(s) and sketch the rejection region. (2 points)
-
Find the test statistic.
SW
(It is not necessary to perform this test by p-value method.)
(3 points)
(d) Circle one: Reject H o or Do not Reject H o (2 points)
(e) State the conclusion in terms of the described study. (2 points)
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Solution: The downloadable solution consists of 2 pages
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