Introduction to Statistics Lifespan Statistics Assignment Help

Assignment Task

1. The list below represents the lifespan (in years) of some of the great/famous painters
66 46 74 91 61 44 85 42 86 69 55 61 55
65 89 37 56 82 63 92 67 67 37 37 43 43
57 87 73 63 37 83 89 84 78 81 36 61 69
a. Construct a stem and leaf distribution for the data. Is the distribution roughly symmetric, right skewed, left -skewed or neither?

b. Construct a frequency table for these data. Use 7 classes of equal width.
c. Use the midpoints of the classes to estimate the mean lifespan of great/famous.

d. Obtain five-number summary for the data.

e. Find outliers if any.
f. Construct a box-plot using the statistics computed in part.

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