Question 1048212: Relative Frequency Table for a Quantitative Variable:
A gas station manager recorded the amount of gasoline car owners bought during a one hour time period on a Friday afternoon. The frequency distribution below shows the distribution for amount of gasoline (in gallons) purchased:
Amount of Gasoline(0.0-2.9) Frequency( 2) Relative Frequency (0)
(in Gallons)
Amount of Gasoline (3.0-5.9) Frequency( 8) Relative Frequency ( )
Amount of Gasoline (6.0-8.9) Frequency( ) Relative Frequency (.15)
Amount of Gasoline (9.0-11.9) Frequency (5) Relative Frequency ( )
Amount of Gasoline (12.0-14.9) Frequency ( ) Relative Frequency ( )
Total 20
1. Complete the above table, with frequencies and relative frequencies:
2. What percentage of gasoline purchases were at least 9 gallons? Please show how you obtain the answer
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Relative Frequency Table for a Quantitative Variable:
A gas station manager recorded the amount of gasoline car owners bought during a one hour time period on a Friday afternoon. The frequency distribution below shows the distribution for amount of gasoline (in gallons) purchased:
Amount of Gasoline(0.0-2.9) Frequency( 2) Relative Frequency (0)
(in Gallons)
Amount of Gasoline (3.0-5.9) Frequency( 8) Relative Frequency (0.40)
Amount of Gasoline (6.0-8.9) Frequency(3) Relative Frequency (.15)
Amount of Gasoline (9.0-11.9) Frequency (5) Relative Frequency (0.25)
Amount of Gasoline (12.0-14.9) Frequency (4) Relative Frequency (0.20)
Total 20
1. Complete the above table, with frequencies and relative frequencies:
2. What percentage of gasoline purchases were at least 9 gallons? Please show how you obtain the answer
5 that were (9-11.9)
4 that were (12-14.9(
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Percentage = 9/20 = 45%
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Cheers,
Stan H.
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