The Thomas Supply Company Inc. is a distributor of gas-powered generators. As wi

Question

The Thomas Supply Company Inc. 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 Inc. invoices. 13 13 13 20 26 30 30 32 34 34 35 35 36 37 38 41414145 46474750 525354 56 62 67 82 (Round your answers to 2 decimal places.) a. Determine the first and third quartiles. Q3 b. Determine the second decile and the eighth decile. Og- c. Determine the 67th percentile

Explanation / Answer

The statistical software output for this problem is:

Summary statistics:

Hence,

a) Q1 = 32

Q3 = 50

b) D2 = 20th percentile = 30

D8 = 80th percentile = 52.5

c) 67th percentile = 47

Column Q1 Q3 20th Per. 80th Per. 67th Per. Data 32 50 30 52.5 47

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