An SRS of 16 households is selected in Houston and the number of remote controls is...

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Statistics

  1. An SRS of 16 households is selected in Houston and the numberof remote controls is counted. We are interested in a hypothesistest that tests if population mean number of remote controls isgreater than 5. In the sample, the mean number of remote controlsis 7. The degrees of freedom associated with the test is: [2]
    1. 16
    2. 15
    3. 7
    4. 5
    5. Not enough information

  1. Question 1 above yields a test statistic of 2. Circleall levels of significance that would result in aconclusion that rejects the null hypothesis. [2]
    1. 10%
    2. 5%
    3. 1%
    4. 0.5%
    5. Not enough information

  1. Based on the information provided in question 1, if we rejectthe null hypothesis then 7 will be in corresponding confidenceinterval. [2]
    1. True
    2. False
  2. Assume that we rejected the null hypothesis in the testreferenced in questions 1-3. If we find out that the nullhypothesis was actually true, what error did we make? [2]

Answer & Explanation Solved by verified expert
3.8 Ratings (572 Votes)
SolutionGivenSample size n 16Sample mean Part i The degrees of freedom associated withthe test isdf n 1df 16 1df 15Part ii Question 1 above yields a teststatistic of 2 Circle all levels of    See Answer
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