NG UP THE NULL AND ALTERNATIVE HYPOTHESES: Assume that the historical mean daily
ID: 2926366 • Letter: N
Question
NG UP THE NULL AND ALTERNATIVE HYPOTHESES: Assume that the historical mean daily sales level at Dunder-Mifflin Paper Company has been 920 units of cardstock paper. Answer the following questions based on this historical average value of 920 units: 1. The top salesperson at Dunder-Mifflin, Dwight Schrute, believes that the average daily sales level has now increased. To test Dwight's belief, wh study? Write the correct answer on the blanks provided below. at are the correct null and alternative hypotheses to begin your Ho: Hi: 2. Pam Beesly-Halpert is a salesperson and office administrator at Dunder-Mifflin. She is a bit more pessimistic when it comes to the company's sales levels. Pam believes that the average daily sales has fallen below the historical average. To test her belief, what are the correct null and alternative hypotheses to begin your study? Write the correct answer on the blanks provided below. Ho: Hi: Michael Scott is a regional branch manager at Dunder-Mifflin. He has no idea what the average daily sales level at the company is, but he does believe that it has changed from the historical average. f you want to test for a change in the historical average daily sales level, what are the correct null and alternative hypotheses to begin your study? Write the correct answer on the blanks provided below. 3. Ho: Hi:Explanation / Answer
The null hypothesis is denoted by H0 and it is the generally accepted fact. It is opposite to alternative hypothesis, which is denoted by H1.
In the given data, the historical mean sales is 920 units.
1. The top salesperson, Dwight Schrute, thinks that average daily sales level has increased, which means the alternative hypothesis is that the mean is greater than the historical mean 920. The null hypothesis is its contrary.
H0 : 920
H1 : > 920
2. The office admin, Pam, believes that the average daily sales has fallen below the historical average 920. So, the alternative hypothesis is that is less than 920.
H0 : 920
H1 : < 920
3. The regional branch manager, Michael Scott, thinks that the average daily sales has changed from the historical average 920. So, the alternative hypothesis is is not equal to 920.
H0 : = 920
H1 : 920
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