(Solution Library) A new sales program is to be introduced to increase the revenue stream. To determine whether the new program is effective, a random sample


Question: A new sales program is to be introduced to increase the revenue stream. To determine whether the new program is effective, a random sample of 40 accounts is taken. The revenues from each of the accounts before and after the new sales program are here.

RevenueBefore Revenue After
1 $8,458.585 $8,423.221
2 $6,659.256 $8,549.033
3 $8,455.767 $8,733.675
4 $5,779.723 $8,407.217
5 $6,710.992 $8,889.006
6 $8,061.936 $8,685.125
7 $7,169.542 $8,133.132
8 $6,810.090 $8,517.291
9 $7,321.337 $9,075.898
10 $8,356.419 $7,880.510
11 $6,235.412 $7,797.373
12 $6,322.204 $7,782.516
13 $7,492.789 $8,352.623
14 $6,415.746 $8,889.696
15 $8,462.630 $8,052.089
16 $8,182.738 $8,021.711
17 $5,423.545 $8,322.659
18 $6,175.540 $8,882.680
19 $8,187.399 $8,094.023
20 $8,657.219 $8,820.925
21 $7,554.034 $9,325.736
22 $7,185.587 $7,859.070
23 $8,615.878 $8,257.270
24 $7,490.512 $8,495.482
25 $6,535.821 $8,675.907
26 $9,038.096 $8,907.589
27 $7,247.062 $8,144.122
28 $7,126.964 $9,058.861
29 $8,525.252 $8,677.923
30 $6,679.874 $9,263.314
31 $5,902.088 $8,176.570
32 $6,972.184 $8,226.425
33 $4,904.591 $7,840.742
34 $6,177.321 $8,358.568
35 $6,228.641 $8,273.615
36 $5,842.937 $9,273.110
37 $8,774.475 $8,728.870
38 $7,320.121 $8,045.773
39 $6,668.084 $8,751.374
40 $7,614.433 $8,509.948
  1. State the appropriate null and alternate hypotheses to test the claim that the new sales program increases the revenue stream.
  2. Find the standard error, the test statistic, and the p-value.
  3. Is there significant evidence to support the effectiveness of the sales program at level 5%? Explain.
  4. Is the distribution of "Revenue Before" normally distributed? Perform a chi-square goodness-of-fit test. Report and interpret the p-value. Is the distribution normal at level 5%?
  5. Repeat part d for "Revenue After".

Price: $2.99
Solution: The downloadable solution consists of 6 pages
Deliverable: Word Document

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