Do college students enjoy playing sports more than watching sports? A researcher randomly selected ten college students and asked them to rate playing sports and watching sports on a scale from 1 to 10 with 1 meaning they have no interest and 10 meaning they absolutely love it. The results of the study are shown below. Playing Vs. Watching Sports Play 3 9 4 2 10 9 3 3 8 1 Watch 3 10 3 1 6 8 3 7 4 1 Assume a Normal distribution.  What can be concluded at the the αα = 0.05 level of significance level of significance? For this study, we should use Select an answer z-test for the difference between two population proportions t-test for a population mean t-test for the difference between two independent population means z-test for a population proportion t-test for the difference between two dependent population means  The null and alternative hypotheses would be:        H0:H0:  Select an answer μ1 μd p1  ? ≠ = < >  Select an answer p2 μ2 0  (please enter a decimal)     H1:H1:  Select an answer μd p1 μ1  ? = > ≠ <  Select an answer μ2 0 p2  (Please enter a decimal) The test statistic ? z t  = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? > ≤  αα Based on this, we should Select an answer accept fail to reject reject  the null hypothesis. Thus, the final conclusion is that ... The results are statistically insignificant at αα = 0.05, so there is insufficient evidence to conclude that the population mean rating for playing sports is greater than the population mean rating for watching sports. The results are statistically insignificant at αα = 0.05, so there is statistically significant evidence to conclude that the population mean rating for playing sports is equal to the population mean rating for watching sports. The results are statistically significant at αα = 0.05, so there is sufficient evidence to conclude that the population mean rating for playing sports is greater than the population mean rating for watching sports. The results are statistically significant at αα = 0.05, so there is sufficient evidence to conclude that the ten students that were surveyed rated playing sports higher than watching sports on average.

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Author:Amos Gilat
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Do college students enjoy playing sports more than watching sports? A researcher randomly selected ten college students and asked them to rate playing sports and watching sports on a scale from 1 to 10 with 1 meaning they have no interest and 10 meaning they absolutely love it. The results of the study are shown below.

Playing Vs. Watching Sports

Play 3 9 4 2 10 9 3 3 8 1
Watch 3 10 3 1 6 8 3 7 4 1

Assume a Normal distribution.  What can be concluded at the the αα = 0.05 level of significance level of significance?

For this study, we should use Select an answer z-test for the difference between two population proportions t-test for a population mean t-test for the difference between two independent population means z-test for a population proportion t-test for the difference between two dependent population means 

  1. The null and alternative hypotheses would be:   
  2.   

 H0:H0:  Select an answer μ1 μd p1  ? ≠ = < >  Select an answer p2 μ2 0  (please enter a decimal)   

 H1:H1:  Select an answer μd p1 μ1  ? = > ≠ <  Select an answer μ2 0 p2  (Please enter a decimal)

  1. The test statistic ? z t  = (please show your answer to 3 decimal places.)
  2. The p-value = (Please show your answer to 4 decimal places.)
  3. The p-value is ? > ≤  αα
  4. Based on this, we should Select an answer accept fail to reject reject  the null hypothesis.
  5. Thus, the final conclusion is that ...
    • The results are statistically insignificant at αα = 0.05, so there is insufficient evidence to conclude that the population mean rating for playing sports is greater than the population mean rating for watching sports.
    • The results are statistically insignificant at αα = 0.05, so there is statistically significant evidence to conclude that the population mean rating for playing sports is equal to the population mean rating for watching sports.
    • The results are statistically significant at αα = 0.05, so there is sufficient evidence to conclude that the population mean rating for playing sports is greater than the population mean rating for watching sports.
    • The results are statistically significant at αα = 0.05, so there is sufficient evidence to conclude that the ten students that were surveyed rated playing sports higher than watching sports on average.
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