Based on the chart above, does there appear to be an association between time of day

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time of day                             at least 60%?

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

evening: 6 PM to midnight     no

morning: 6 AM - noon                        yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

evening: 6 PM to midnight     no

morning: 6 AM - noon                        yes

morning: 6 AM - noon                        yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

morning: 6 AM - noon                        no

evening: 6 PM to midnight     no

morning: 6 AM - noon                        no

morning: 6 AM - noon                        no

morning: 6 AM - noon                        no

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     yes

evening: 6 PM to midnight     no

evening: 6 PM to midnight     yes

morning: 6 AM - noon                        yes

evening: 6 PM to midnight     yes

morning: 6 AM - noon                        no

evening: 6 PM to midnight     no

 

 

 

  1. Based on the chart above, does there appear to be an association between time of day and number of items remembered? Explain.
  2. 2.       State the null and alternative hypotheses in notation and words.
  3. 3.      Which test will you use to test the above null hypothesis? Why?

 

  1. 4.      Give the test-statistic (with degrees of freedom if it has degrees of freedom) and the p-value.
  2. 5.       Based on the p-value, does there appear to be an association between time of day and number of items remembered?
  3. Does the conclusion from the hypothesis test support what you see in the side-by-side bar chart?
  • 9 years ago
Based on the chart above, does there appear to be an association between time of day
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