Question 4. Jane & John Sales is a new talk in town in aerospace industry; they are getting a lot of media coverage. To retain the best sales talent, HR at Jane & John claims that they paid $125,500 in yearly bonuses to its sales force.
The CEO of Aero No-space Sales, direct competitor and old timer is frustrated. According to the CEO, there is no way bonuses can equal $125,000. He is 95% confidence that claimed yearly bonuses does not equal $125,500.
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When x-bar is $118,000 with $30,000 population Standard deviation for 40 sales people.
Question 4. Jane & John Sales is a new talk in town in aerospace industry; they...
Question 3: New 2018 Ford Royal for a sample of 10 tanks of gas was 45.5 with a standard deviation of 1.8. For a 2018 Buick Executive, the average mpg usage for a sample of 10 tanks of gas was 42.1with a standard deviation of 2.3. Unknown but variances assumed equal, at α = .01, is the true mean mpg lower for the Buick Executive? For H0: μFord – μBuick ≤ 0; H1: μFord – μBuick > 0. Reject H0...