A study found the following parts per billion of nitrosamines in a sample of domestic beers.(a)Construct a frequency distribution of four classes with equal class sizes.(b)Construct another frequency distribution of four classes using unequal class intervals or an open-ended interval for the highest class.(c)Which frequency distribution is preferable? Why?

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The Answer of A study found the following parts per billion of nitrosamines in a sample of domestic beers.(a)Construct a frequency distribution of four classes with equal class sizes.(b)Construct another frequency distribution of four classes using unequal class intervals or an open-ended interval for the highest class.(c)Which frequency distribution is preferable? Why?

A Study Found the Following Parts Per Billion of Nitrosamines