I need part B only
Here is the solution of part a
A frequency distribution displays various outcomes in a sample. Frequency indicates the number of occurrences.
The inputs of a frequency table are-
The Frequency distribution for the given data is-
Each lower class boundary is included in that class and the Midpointupper-class boundary is included in the next class. But in the last class (110-120) upper class is included in that class.
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