Dollars
Day	Printers	Cartridges	School Supplies
1	19	57	$1,634.00
2	15	60	$945.00
3	15	60	$1,245.00
4	15	75	$840.00
5	16	80	$1,424.00
6	14	42	$1,260.00
7	10	40	$530.00
8	12	36	$972.00
9	20	80	$1,180.00
10	19	76	$1,045.00
11	17	85	$1,479.00
12	19	76	$1,349.00
13	18	72	$1,206.00
14	12	48	$924.00
15	17	85	$1,462.00
16	13	65	$962.00
17	17	68	$1,445.00
18	11	55	$682.00
19	19	76	$1,501.00
20	14	42	$784.00
21	14	42	$868.00
22	18	90	$954.00
23	13	65	$702.00
24	19	95	$1,558.00
25	11	44	$880.00
26	10	50	$540.00
27	17	51	$1,207.00
28	17	51	$1,445.00
29	16	48	$928.00
30	10	40	$830.00
31	13	52	$1,079.00
32	15	45	$1,260.00
33	14	56	$1,260.00
34	15	60	$1,140.00
35	11	55	$737.00
36	20	80	$1,580.00
37	16	64	$1,328.00
38	12	36	$708.00
39	17	85	$1,377.00
40	15	45	$1,080.00
41	11	44	$968.00
42	17	85	$1,190.00
43	11	33	$715.00
44	13	65	$1,170.00
45	14	42	$1,092.00
46	19	76	$1,425.00
47	19	57	$1,482.00
48	19	76	$1,159.00
49	14	42	$1,120.00
50	13	52	$1,170.00
51	14	56	$756.00
52	15	75	$915.00
53	12	36	$1,020.00
54	16	80	$1,024.00
55	19	95	$1,349.00
56	12	36	$732.00
57	11	55	$627.00
58	20	80	$1,040.00
59	15	45	$930.00
60	12	36	$888.00
61	17	68	$1,309.00
62	18	90	$1,620.00
63	14	56	$924.00
64	17	51	$952.00
65	16	80	$800.00
66	19	57	$1,102.00
67	12	36	$600.00
68	20	60	$1,500.00
69	17	85	$1,224.00
70	11	44	$803.00
71	14	42	$854.00
72	10	50	$890.00
73	14	70	$798.00
74	11	44	$869.00
75	14	70	$938.00

A. The file Printers.xlsx (Chapter 9) contains daily sales volume (in dollars) of laser printers, printer cartridges, and school supplies. The correlation between laser printers and cartridges has a value of ?

B. The correlation between laser printers and school supplies has a value of ?

C. What does the correlation value between laser printers and school supplies indicate?

D. What does the correlation value between laser printers and cartridges indicate?

E. What does the correlation value between cartridges and school supplies indicate?

F. When demand is high for school supplies, it tells us little about printer or cartridge demand.