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1. A grouped frequency distribution is the name given to the data presentation in Exercise 2 when it is altered by classifying the data. The lower class limit is 80 and the upper class limit is 89 if one class in such a distribution ranges from 80 to 89.

   What is the formula for grouped frequency distribution?

   • A grouped frequency distribution lists these intervals in the frequency distribution table and displays the scores by grouping the observations into intervals.
   • Class bounds are the intervals in a grouped frequency distribution.

   What is the clustered frequency distribution formula?

   • In other terms, the population’s mean can be calculated by dividing m f by, where m is the class midpoint and f is the frequency.
   • As a result, the procedure for calculating the mean value for a set of grouped data can be summarized by the formula μ = ∑ m f N .

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   The complete question is –

   If the data presentation in Exercise 2 is varied by organizing the data into classes, the data presentation is called a ______________. If one class in such a distribution is 80-89, the lower class limit is 80 and the upper class limit is 89.

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