3. The following stem-and-leaf plot gives the midterm exam scores for a statistics class. 14 3 4 5 34556 6 22789 7 8 4456889 2348 d bomoe (a) How many students took the midterm exam? 23 (b) Create a histogram of the data. Think about the best way to group observations into bars. lnm ub ad dais no

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