A cumulative frequency distribution is constructed from a, Ask an Expert

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A cumulative frequency distribution is constructed from a frequency distribution by replacing each frequency with the sum of the frequency of the given class and the frequencies of all classes above it, and representing each class by its upper class boundary. Construct a cumulative frequency distribution using the data of Exercise 115.

Exercise 115

The following are the drying times (minutes) of 100 sheets coated with polyurethane under various ambient conditions:

Construct a frequency distribution of these data, using eight classes.

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Statistics and Probability, Statistics

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