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. The population variances are assumed to be equal. 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. Click here for the Excel Data File Is this a one-tailed or a two-tailed test? multiple choice 1 One-tailed test Two-tailed test 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.)
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. The population variances are assumed to be equal.
| 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 |
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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.
Click here for the Excel Data File
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Is this a one-tailed or a two-tailed test?
multiple choice 1
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One-tailed test
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Two-tailed test
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State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.)
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Compute the value of the test statistic. (Round your answer to 3 decimal places.)
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