Match each scenario with the SINGLE MOSTappropriate test. Each answer choice may be used once, more thanonce, or not at all. Assume all data collection is by randomsampling unless the question suggests otherwise.
| Is there evidence that the mean price of a pound of Gala applesis more than $1.4? Prices were collected from 200 grocery storesthroughout the US. | | In the US, what is the mean of the difference between the salaryof a person the year after finishing college and ten years intohis/her career? | | Is the mean number of hours an adult watches TV on election dayin the US greater than the mean number of hours an adult watches TVon election day in Germany? | | Is there evidence that not all means are the same when comparingthe mean college graduation age of students in the US, Japan, Chinaand Europe? | | Ten students will obtain their PhDs in Statistics next semester.The head of the department wants to know the mean number of yearsthese ten students took to graduate. | | Is there evidence that US high school students sleep more hoursin the fall than in the spring? Data was collected in the fall andin the spring from the same sample of 55 US high schoolstudents. | | Â Â | What is the mean number of newspapers sold daily in newsstandsin the US? A simple random sample of 200 newsstands across the USwas selected to answer the question. |
| | A. | One-Sample Mean Confidence Interval or Significance Test | | B. | Two-Sample Comparison of Means Confidence Interval orSignificance Test | | C. | One-Way ANOVA | | D. | No Inference Methods Needed | | E. | Matched Pairs Confidence Interval or Significance Test |
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