SOLUTION: Consider the following frequency table of the performance ratings on a scale of 1–good, 2–fair, and 3–poor, bestowed on their local baseball team by a collection of 100 fans: Ra

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Question 75341: Consider the following frequency table of the performance ratings on a scale of 1–good, 2–fair, and 3–poor, bestowed on their local baseball team by a collection of 100 fans:
Rating Frequency

1 20
2 30
3 50

The cumulative relative frequencies for each performance rating are
a. 1–20%, 2–30%, 3–50%
b. 1–20%, 2–50%, 3–100%
c. 1–80%, 2–70%, 3–50%
d. 1–50%, 2–30%, 3–20%

Thank You

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Relative frequencies are gotten when you divide each class frequency
by the sum of the frequencies.
In your problem the sum is 100; so freq=20 means relative freq of 20/100=20%
The same for freq 30; rel freq is 30/100 = 30%
The same for freq 50; rel freq is 50/100=50%
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Cheers,
Stan H.