Solution-Construct the corresponding relative frequency

Construct the corresponding relative frequency

Assignment Help Basic Statistics

Reference no: EM131042298

A researcher conducts a mileage economy test involving 82 cars. The frequency distribution describing average miles per gallon (mpg) appears in the following table.

Average mpg	Frequency
15 up to 20	10
20 up to 25	16
25 up to 30	4
30 up to 35	12
35 up to 40	29
40 up to 45	11

a-1. Construct the corresponding relative frequency, cumulative frequency, and cumulative relative frequency distributions.

b-1. How many of the cars got less than 25 mpg?

b-2. What percent of the cars got at least 30 but less than 35 mpg? (Round your answer to 2 decimal place.)

b-3. What percent of the cars got less than 20 mpg? (Round your answer to 2 decimal place.)

b-4. What percent got 20 mpg or more? (Round your answer to 2 decimal place.)

Reference no: EM131042298

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Construct the corresponding relative frequency

Reference no: EM131042298

Reference no: EM131042298

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