uper Markets Inc. is considering expanding into the Scottsdale, Arizona, area. You, as director of planning, must present an analysis of the proposed expansion to the operating committee of the board of directors. As a part of your proposal, you need to include information on the amount people in the region spend per month for grocery items. You would also like to include information on the relationship between the amount spent for grocery items and income. Your assistant gathered the following sample information: Household Income Amount 1 4388 555 2 4558 489 3 4793 458 4 4856 613 5 4856 647 6 4899 661 7 4899 662 8 5091 675 9 5133 549 10 5304 606 11 5304 668 12 5304 740 13 5346 592 14 5495 720 15 5581 680 16 5730 540 17 5943 693 18 5943 541 19 6156 673 20 6603 676 21 6688 913 22 6752 918 23 6837 1030 24 7242 1083 25 7263 937 26 7540 839 27 8009 1030 28 8094 1065 29 8264 1069 30 8392 1064 31 8414 1015 32 8882 1148 33 8925 1125 34 8989 1090 35 9053 1208 36 9138 1217 37 9329 1140 38 9649 1265 39 9862 1206 40 9883 1145 Let the amount spent be the dependent variable and monthly income the independent variable. At the .05 significance level, conduct a hypothesis test regarding a positive correlation between amount spent and monthly income. d. What is the critical value? (answer in 3 decimal places).

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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Question

Super Markets Inc. is considering expanding into the Scottsdale, Arizona, area.

You, as director of planning, must present an analysis of the proposed expansion to the operating committee of the board of directors. As a part of your proposal, you need to include information on the amount people in the region spend per month for grocery items. You would also like to include information on the relationship between the amount spent for grocery items and income. Your assistant gathered the following sample information:

Household	Income	Amount
1	4388	555
2	4558	489
3	4793	458
4	4856	613
5	4856	647
6	4899	661
7	4899	662
8	5091	675
9	5133	549
10	5304	606
11	5304	668
12	5304	740
13	5346	592
14	5495	720
15	5581	680
16	5730	540
17	5943	693
18	5943	541
19	6156	673
20	6603	676
21	6688	913
22	6752	918
23	6837	1030
24	7242	1083
25	7263	937
26	7540	839
27	8009	1030
28	8094	1065
29	8264	1069
30	8392	1064
31	8414	1015
32	8882	1148
33	8925	1125
34	8989	1090
35	9053	1208
36	9138	1217
37	9329	1140
38	9649	1265
39	9862	1206
40	9883	1145