FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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At right is a cumulative relative frequency graph for the 48 racers who finished the grueling 50km cross-country ski race at the 2014 Sochi Olympics. Approximately what proportion of the racers finished the race in MORE than 2.15 hours?
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1.34
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0.45
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0.238
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0.54
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Explanation:
Detailed explanation-1: -Note that the last class interval will always have a cumulative relative frequency of 100% of the data.
Detailed explanation-2: -Relative Frequency: Relative frequency is the fraction or proportion times an answer occurs in the data set. Relative frequencies can be written in decimal, fraction or percents. Cumulative Relative Frequency: Cumulative frequency is the collection of all previous frequencies together.
There is 1 question to complete.