The president of the Watson Land Surveying Company states that the average hourly wage of his summer
Question: The president of the Watson Land Surveying Company states that the average hourly wage of his summer assistants is $8.65. A sample of SO assistants has the distribution shown below. At a = 0.05, is the president's statement believable? Data; (HINT: Use the midpoint of the interval for x)
| Class | Frequency | x | X squared | xf | X squared f |
| 8.35-8.43 | 2 | ||||
| 8.44-8.52 | 6 | ||||
| 8.53-8.61 | 12 | ||||
| 8.62-8.70 | 18 | ||||
| 8.71-8.79 | 10 | ||||
| 8.80-8.88 | 2 | ||||
| total |
Calculate the sample mean.
Calculate the sample standard deviation.
State the hypotheses and identify the claim. H0
What is(are) the critical values?
What is the test statistic?
What is the P-value?
What is your decision and why?
What is the conclusion?
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Solution: The solution file consists of 3 pages
Solution Format: Word Document
Solution Format: Word Document
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