Question

A. Make a stem-and-leaf display for the following data. Comment about the shape of the distribution....

A.

Make a stem-and-leaf display for the following data. Comment about the shape of the distribution.

58    52    68    86    72    66    97    89    84    91    91    92

66    68    87    86    73    61    70    75    72    73    85    84

90    57    77    76    84    93    58    47

B.

Construct a frequency distribution using 6 classes with the first lower class limit of 58, draw a Histogram, and what is the shape of distribution?

58, 60, 62, 63, 70, 71, 71, 76, 77, 80, 84, 88, 99

Lower limit

Upper limit

Lower boundary

Upper boundary

Frequency

C.

Find the 5-number summary for the following data set, find the IQR, and draw a boxplot.

15, 24, 34, 34, 45, 46, 54, 67, 68, 78, 83, 92

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