Question

In: Statistics and Probability

Here are the daily withdrawals (in hundreds of dollars) for 30 days from an ATM each...

Here are the daily withdrawals (in hundreds of dollars) for 30 days from an ATM each day.

72 84 61 76 20476 86 92 80 88 98 76 97 82 8467 70 81 82 89 74 73 86 81 85 78 82 80 91 15

Use IQR to find any possible outlier.

Solutions

Expert Solution

First we compute the median and the quartiles after ascending order of the observations.

Position X (Asc. Order)
1 15
2 61
3 67
4 70
5 72
6 73
7 74
8 76
9 76
10 76
11 78
12 80
13 80
14 81
15 81
16 82
17 82
18 82
19 84
20 84
21 85
22 86
23 86
24 88
25 89
26 91
27 92
28 97
29 98
30 204

orchestra answered 2 years ago
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