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 ($) 1,095 1,076 1,077 1,125 1,034 1,059 1,052 1,070 1,079 1,080 Nurses ($) 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. State the decision rule. (Negative values should be indicated by a minus s
The Tampa Bay (Florida) Area Chamber of Commerce wanted to know whether the
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.
State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.)
Compute the value of the test statistic. (Round your answer to 3 decimal places.)
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