1) 2) The Thomas Supply Company Inc. is a distributor of gas-powered generators.
ID: 3238693 • Letter: 1
Question
1)
2)
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 31 33 34 34 35 35 36 37 38 41 41 41 45 45 47 47 50 52 53 55 56 62 67 82 (Round your answers to 2 decimal places.) a. Determine the first and third quartiles. b. Determine the second decile and the eighth decile c. Determine the 67th percentileExplanation / Answer
Observations from box plot and then answers:
The black band is median is at 20
The whisker lower bound is min at 0
The upper whisker is at near 80
The Q1 and Q3 are made by the box' endings at 10 and 40
Also , there are outliers in right, so it is right skewed, which
also means that the mean will be east of median (east of 20)
a- is wrong. Median is 25, not mean
b - is right, outliers are dots
c - is right, right skew = positive skew
d - is wrong, there are 4 outliers, not 2
e - is true, as stated in facts above
f - is wrong, it is right or positive skew
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