The accompanying data file shows the annual expenditures (in $) for 100 Amazon Prime customers.

a-1. Calculate the mean.

Note: Round final answer to the nearest whole number.

a-2. Calculate the median.

Note: Round final answer to the nearest whole number.

b-1. Calculate the first quartile for annual expenditures.

Note: Round final answer to the nearest whole number. If you are using Excel, use the PERCENTILE.INC function to find the appropriate quartile.

b-2. Interpret the first quartile for annual expenditures.

multiple choice 1

• Seventy-five percent of the customers spent less than $1,078, 25% of the customers spent more than $1,078.
• Seventy-five percent of the customers spent less than $1,338, 25% of the customers spent more than $1,338.
• Twenty-five percent of the customers spent less than $1,078, 75% of the customers spent more than $1,078.
• Twenty-five percent of the customers spent less than 1,338, 75% of the customers spent more than 1,338.

b-3. Calculate the third quartile for annual expenditures.

Note: Round final answer to the nearest whole number. If you are using Excel, use the PERCENTILE.INC function to find the appropriate quartile.

b-4. Interpret the third quartile for annual expenditures.

multiple choice 2

• Seventy-five percent of the customers spent less than $1,588, 25% of the customers spent more than $1,588.
• Seventy-five percent of the customers spent less than $1,311, 25% of the customers spent more than $1,311.
• Twenty-five percent of the customers spent less than $1,588, 75% of the customers spent more than $1,588.
• Twenty-five percent of the customers spent less than 1,311, 75% of the customers spent more than 1,311.

Customer	Expenditures
1	1405
2	1103
3	1300
4	1134
5	1309
6	1192
7	601
8	1613
9	499
10	1230
11	1655
12	1309
13	1749
14	1541
15	1592
16	1703
17	1375
18	738
19	1163
20	1396
21	954
22	1441
23	1223
24	1155
25	1377
26	1760
27	1639
28	1499
29	2040
30	1185
31	857
32	561
33	1264
34	1668
35	1027
36	1235
37	1076
38	958
39	1079
40	1524
41	1017
42	1837
43	1487
44	1226
45	1344
46	1355
47	918
48	1515
49	722
50	1586
51	1614
52	1960
53	986
54	1658
55	1548
56	1416
57	1344
58	1271
59	1222
60	1017
61	1113
62	1492
63	1346
64	763
65	640
66	900
67	964
68	472
69	1657
70	1923
71	1876
72	1488
73	1635
74	1035
75	1465
76	1444
77	1331
78	2009
79	1384
80	1238
81	1673
82	1494
83	1210
84	1710
85	988
86	1193
87	1666
88	1705
89	1157
90	1639
91	1405
92	1622
93	883
94	951
95	1624
96	991
97	875
98	1180
99	1428
100	1324