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Hypothesis Testing of A Single Mean (Assignment 3)

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10 views2 pages

Hypothesis Testing of A Single Mean (Assignment 3)

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RishabhGupta 2k20umba32
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Hypothesis Testing of a Single Mean (Assignment 3)

Name:

Television Survey
In a recent survey, it was stated that Indians watch television on average four hours
per day. Assume that σ =2. Using your class as the sample, conduct a hypothesis test
to determine if the average for students at your college is lower.
1. H 0:
2. H 1:
3. In words, define the random variable. =
4. The distribution to use for the test is .
5. Determine the test statistic using your data.
6. Draw a graph and label it appropriately. Shade the actual level of significance.
a. Graph:

Figure
b. Determine p-value

7. Do you or do you not reject the null hypothesis? Why?


8. Write a clear conclusion using a complete sentence.
Jeans Survey

Suppose that young adults own an average of three pairs of jeans. Survey eight
people from your class to determine if the average is higher than three. Assume the
population is normal.
1. H 0:
2. H 1:
3. In words, define the random variable. =
4. The distribution to use for the test is .
5. Determine the test statistic using your data.
6. Draw a graph and label it appropriately. Shade the actual level of significance.
a. Graph:

Figure

b. Determine the p-value.


7. Do you or do you not reject the null hypothesis? Why?
8. Write a clear conclusion using a complete sentence.

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