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The Tampa Bay (Florida) Area Chamber of Commerce wanted to know whether the mean weekly salary of nurses was larger than that of school teachers.

The Tampa Bay (Florida) Area Chamber of Commerce wanted to know whether the mean weekly salary of nurses was larger than that of school teachers. To investigate, they collected the following information on the amounts earned last week by a sample of school teachers and nurses.

School Teachers ($)1,095 | 1,076 |1,077 | 1,125 | 1,034 | 1,059 |1,052 | 1,070 | 1,079 | 1,080 |1,092 |1,082

Nurses ($)1,091 | 1,140 | 1,071 | 1,021 |1,100 | 1,109 | 1,075 | 1,079

Is it reasonable to conclude that the mean weekly salary of nurses is higher? Use the 0.01 significance level.Hint:For the calculations, assume the nurses as the first sample.

1.Is this a one-tailed or a two-tailed test?

2.State the decision rule.(Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.)

3.Compute the value of the test statistic.(Round your answer to 3 decimal places.)

4.What is your decision regardingH0?

  • RejectH0
  • Do not rejectH0

5. What is thep-value?

  • Greater than 0.1.
  • Between 0.01 and 0.1.
  • Between 0.001 and 0.01.
  • Less than 0.001.

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