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 here, 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	26	30	31	34	34	35	35	36	37	38
41	41	41	45	43	47	47	48	49	54	55	56	62	67	82

Required:

Note: Round your answers to 2 decimal places.

1. Determine and interpret the first and third quartiles.

2. Determine and interpret the second decile and the eighth decile

3. Determine and interpret the 67^th percentile