Product	Units Sold
1	1 089 365
2	897 652
3	126 697
4	236 251
5	143 364
6	189 703
7	161 313
8	458 673
9	780 251
10	114 217
11	245 836
12	149 290
13	214 029
14	3 285 619
15	227 161
16	638 950
17	2 109 356
18	635 814
19	1 596 247
20	151 385
21	100 893
22	226 372
23	174 090
24	1 298 153
25	172 661
26	876 001
27	395 481
28	1 875 624
29	129 203
30	150 564
31	1 359 814
32	2 187 350
33	233 480
34	1 875 624
35	1 986 358
36	114 097
37	181 872
38	144 431
39	925 761
40	122 520

Mean
Median
Standard deviation
Sales corresponding to the top quartile of days
Does this reflect the "pareto rule"? If not, explain why not.