Quesstion: An industry trade publication stated that the average profit per customer for this industry was greater than $4,500. The Sales Data is posted below this question on a sample of customers. Using a test of hypothesis, do the data support this claim or not? Use a 5% significance level. Sales Data Customer Percent Gross Profit Gross Sales Gross Profit Industry Code Competitive Rating* 1 51.0% $170.00 $86.70 1 2 2 32.0% $181.00 $57.92 3 4 3 20.0% $203.00 $40.60 2 2 4 22.0% $249.00 $54.78 5 1 5 21.0% $476.00 $99.96 5 1 6 21.0% $476.00 $99.96 5 4 7 22.0% $635.00 $139.70 2 3 8 34.0% $856.00 $291.04 3 3 9 26.0% $1,062.00 $276.12 4 2 10 16.6% $1,110.00 $183.71 7 3 11 20.0% $1,153.00 $230.60 7 3 12 36.0% $1,392.00 $501.12 4 2 13 18.0% $1,743.00 $313.74 4 2 14 20.0% $2,307.00 $461.40 7 3 15 5.0% $2,534.00 $126.70 4 5 16 29.0% $2,683.00 $778.07 7 2 17 10.0% $2,780.00 $278.00 2 3 18 37.0% $3,272.00 $1,210.64 5 3 19 60.0% $3,864.00 $2,318.40 7 1 20 24.0% $3,988.00 $957.12 6 3 21 9.0% $4,072.00 $366.48 7 3 22 50.0% $4,190.00 $2,095.00 5 3 23 17.0% $4,219.00 $717.23 3 4 24 32.0% $4,711.00 $1,507.52 7 1 25 15.0% $4,824.00 $723.60 6 3 26 10.0% $4,878.00 $487.80 7 4 27 13.0% $5,157.00 $670.41 7 2 28 22.0% $5,552.00 $1,221.44 2 3 29 17.0% $5,876.00 $998.92 1 3 30 19.0% $5,888.00 $1,118.72 6 4 31 6.0% $7,632.00 $457.92 5 4 32 23.0% $8,058.00 $1,853.34 3 3 33 23.0% ######### $2,772.88 7 2 34 14.0% ######### $1,817.34 2 4 35 22.0% ######### $2,949.32 2 3 36 14.0% ######### $2,223.48 7 3 37 28.0% ######### $4,576.04 3 3 38 27.0% ######### $5,395.95 5 3 39 3.0% ######### $604.80 5 5 40 46.0% ######### $12,243.36 5 2 41 26.0% ######### $7,284.68 5 3 42 11.0% ######### $3,184.50 4 4 43 18.0% ######### $5,336.28 4 3 44 37.0% ######### $11,477.03 6 1 45 20.0% ######### $6,261.00 2 3 46 21.0% ######### $7,301.49 7 1 47 10.0% ######### $3,481.70 4 3 48 14.0% ######### $5,405.26 1 3 49 9.0% ######### $3,503.07 2 5 50 16.0% ######### $6,485.76 4 3 51 22.0% ######### $12,067.22 6 2 52 21.0% ######### $11,520.81 7 2 53 17.0% ######### $9,870.71 5 4 54 11.0% ######### $6,914.82 4 5 55 7.0% ######### $5,500.18 3 5 56 14.0% ######### $12,988.64 4 3 57 15.0% ######### $16,925.55 1 4 58 13.0% ######### $15,079.87 4 5 59 21.0% ######### $25,379.34 5 4 60 14.0% ######### $25,074.14 6 3

Quesstion: An industry trade publication stated that the average profit per customer for this industry was greater than $4,500. The Sales Data is posted below this question on a sample of customers. Using a test of hypothesis, do the data support this claim or not? Use a 5% significance level. Sales Data Customer Percent Gross Profit Gross Sales Gross Profit Industry Code Competitive Rating* 1 51.0% $170.00 $86.70 1 2 2 32.0% $181.00 $57.92 3 4 3 20.0% $203.00 $40.60 2 2 4 22.0% $249.00 $54.78 5 1 5 21.0% $476.00 $99.96 5 1 6 21.0% $476.00 $99.96 5 4 7 22.0% $635.00 $139.70 2 3 8 34.0% $856.00 $291.04 3 3 9 26.0% $1,062.00 $276.12 4 2 10 16.6% $1,110.00 $183.71 7 3 11 20.0% $1,153.00 $230.60 7 3 12 36.0% $1,392.00 $501.12 4 2 13 18.0% $1,743.00 $313.74 4 2 14 20.0% $2,307.00 $461.40 7 3 15 5.0% $2,534.00 $126.70 4 5 16 29.0% $2,683.00 $778.07 7 2 17 10.0% $2,780.00 $278.00 2 3 18 37.0% $3,272.00 $1,210.64 5 3 19 60.0% $3,864.00 $2,318.40 7 1 20 24.0% $3,988.00 $957.12 6 3 21 9.0% $4,072.00 $366.48 7 3 22 50.0% $4,190.00 $2,095.00 5 3 23 17.0% $4,219.00 $717.23 3 4 24 32.0% $4,711.00 $1,507.52 7 1 25 15.0% $4,824.00 $723.60 6 3 26 10.0% $4,878.00 $487.80 7 4 27 13.0% $5,157.00 $670.41 7 2 28 22.0% $5,552.00 $1,221.44 2 3 29 17.0% $5,876.00 $998.92 1 3 30 19.0% $5,888.00 $1,118.72 6 4 31 6.0% $7,632.00 $457.92 5 4 32 23.0% $8,058.00 $1,853.34 3 3 33 23.0% ######### $2,772.88 7 2 34 14.0% ######### $1,817.34 2 4 35 22.0% ######### $2,949.32 2 3 36 14.0% ######### $2,223.48 7 3 37 28.0% ######### $4,576.04 3 3 38 27.0% ######### $5,395.95 5 3 39 3.0% ######### $604.80 5 5 40 46.0% ######### $12,243.36 5 2 41 26.0% ######### $7,284.68 5 3 42 11.0% ######### $3,184.50 4 4 43 18.0% ######### $5,336.28 4 3 44 37.0% ######### $11,477.03 6 1 45 20.0% ######### $6,261.00 2 3 46 21.0% ######### $7,301.49 7 1 47 10.0% ######### $3,481.70 4 3 48 14.0% ######### $5,405.26 1 3 49 9.0% ######### $3,503.07 2 5 50 16.0% ######### $6,485.76 4 3 51 22.0% ######### $12,067.22 6 2 52 21.0% ######### $11,520.81 7 2 53 17.0% ######### $9,870.71 5 4 54 11.0% ######### $6,914.82 4 5 55 7.0% ######### $5,500.18 3 5 56 14.0% ######### $12,988.64 4 3 57 15.0% ######### $16,925.55 1 4 58 13.0% ######### $15,079.87 4 5 59 21.0% ######### $25,379.34 5 4 60 14.0% ######### $25,074.14 6 3

Name: Quesstion: An industry trade publication stated that the average profi
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Description: Quesstion: An industry trade publication stated that the average profit per customer for this industry was greater than $4,500. The Sales Data is posted below this question on a sample of customers. Using a test of hypothesis, do the data support thi

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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100%

Use a 5% significance level.

Sales Data

Customer	Percent Gross Profit	Gross Sales	Gross Profit	Industry Code	Competitive Rating*
1	51.0%	$170.00	$86.70	1	2
2	32.0%	$181.00	$57.92	3	4
3	20.0%	$203.00	$40.60	2	2
4	22.0%	$249.00	$54.78	5	1
5	21.0%	$476.00	$99.96	5	1
6	21.0%	$476.00	$99.96	5	4
7	22.0%	$635.00	$139.70	2	3
8	34.0%	$856.00	$291.04	3	3
9	26.0%	$1,062.00	$276.12	4	2
10	16.6%	$1,110.00	$183.71	7	3
11	20.0%	$1,153.00	$230.60	7	3
12	36.0%	$1,392.00	$501.12	4	2
13	18.0%	$1,743.00	$313.74	4	2
14	20.0%	$2,307.00	$461.40	7	3
15	5.0%	$2,534.00	$126.70	4	5
16	29.0%	$2,683.00	$778.07	7	2
17	10.0%	$2,780.00	$278.00	2	3
18	37.0%	$3,272.00	$1,210.64	5	3
19	60.0%	$3,864.00	$2,318.40	7	1
20	24.0%	$3,988.00	$957.12	6	3
21	9.0%	$4,072.00	$366.48	7	3
22	50.0%	$4,190.00	$2,095.00	5	3
23	17.0%	$4,219.00	$717.23	3	4
24	32.0%	$4,711.00	$1,507.52	7	1
25	15.0%	$4,824.00	$723.60	6	3
26	10.0%	$4,878.00	$487.80	7	4
27	13.0%	$5,157.00	$670.41	7	2
28	22.0%	$5,552.00	$1,221.44	2	3
29	17.0%	$5,876.00	$998.92	1	3
30	19.0%	$5,888.00	$1,118.72	6	4
31	6.0%	$7,632.00	$457.92	5	4
32	23.0%	$8,058.00	$1,853.34	3	3
33	23.0%	#########	$2,772.88	7	2
34	14.0%	#########	$1,817.34	2	4
35	22.0%	#########	$2,949.32	2	3
36	14.0%	#########	$2,223.48	7	3
37	28.0%	#########	$4,576.04	3	3
38	27.0%	#########	$5,395.95	5	3
39	3.0%	#########	$604.80	5	5
40	46.0%	#########	$12,243.36	5	2
41	26.0%	#########	$7,284.68	5	3
42	11.0%	#########	$3,184.50	4	4
43	18.0%	#########	$5,336.28	4	3
44	37.0%	#########	$11,477.03	6	1
45	20.0%	#########	$6,261.00	2	3
46	21.0%	#########	$7,301.49	7	1
47	10.0%	#########	$3,481.70	4	3
48	14.0%	#########	$5,405.26	1	3
49	9.0%	#########	$3,503.07	2	5
50	16.0%	#########	$6,485.76	4	3
51	22.0%	#########	$12,067.22	6	2
52	21.0%	#########	$11,520.81	7	2
53	17.0%	#########	$9,870.71	5	4
54	11.0%	#########	$6,914.82	4	5
55	7.0%	#########	$5,500.18	3	5
56	14.0%	#########	$12,988.64	4	3
57	15.0%	#########	$16,925.55	1	4
58	13.0%	#########	$15,079.87	4	5
59	21.0%	#########	$25,379.34	5	4
60	14.0%	#########	$25,074.14	6	3

*Rates the amount of competition for sales of the products sold to these customers: 1 = very little competition to 5 = very competitive

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