Question

Wait Time (minutes)
5.1
10.8
6.2
4.3
5.7
7.3
4.7
7.5
8.7
5.5
8.7
7.7
6.5
6.2
11.4
8.1
5.5
12.3
6.4
7.2
7.6
9.2
8.9
6.9
4.8
9.4
11.7
5.6
7.1
13.4

What is the margin of error for the population mean at 90% confidence level for the information in the above data.

a) 0.74

b) 0.75

c) 0.72

d) 0.73

e) none of the above

Answer 1