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Complete a 5-step Hypothesis Test for one of the two situations below. (a) An online study shows that, by one metric, the satisfaction of employees
Complete a 5-step Hypothesis Test for one of the two situations below. (a) An online study shows that, by one metric, the satisfaction of employees in a particular field is 7.1. You are hoping your employees are more satisfied than the norm and you survey 30 of your employees. The mean satisfaction value is 7.9 with a standard deviation of 0.7. Do we have enough evidence at the 0.05 level of significance to conclude that your employees are more satisfied than the entire field? (b) The mean lifetime for a product is 3 years with a standard deviation of 0.65 years. You want to test products against the industry and find that in a sample of 45 devices that the average lifetime is 3.2 years. Do we have enough evidence at the 10% level of significance to conclude that our products last longer than the average product
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