QNT 275
Ashford University
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QNT 275 FINAL EXAM
- Exam (elaborations) • 3 pages • 2021
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QNT 275 FINAL EXAM 
 
26/30 for a 87% 
A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000. The null hypothesis for this example will be that the population mean is: 
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equal to $110,000 
 
A sample of 16 from a population produced a mean of 86.9 and a standard deviation of 14.3. A sample of 18 from another population produced a mean of 75.4 and a standard deviation of 15.9. Assume that the two populations are normally distributed and t...
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