The Thomas Supply Company Incorporated is a distributor of gas-powered generators. As with any business, the
length of time customers take to pay their invoices is important. Listed below, arranged from smallest to largest, is the
time, in days, for a sample of the Thomas Supply Company Incorporated invoices.
13
13
13
20
26
27
27
32
34
34
35
35
36
37
38
41
41
41
42
44
44
47
48
50
51
55
56
62
67
82
Click here for the Excel Data File
(Round your answers to 2 decimal places.)
a. Determine the first and third quartiles.
First quartile
Third quartile
b. Determine the second decile and the eighth decile.
Second decile
Eighth decile
c. Determine the 67th percentile.