Fred J Golfer recorded his scores for several rounds of golf

Fred J. Golfer recorded his scores for several rounds of golf at Purdue

Solution

(a)

Stem-and-Leaf Display: C1

Stem-and-leaf of C1 N = 16
Leaf Unit = 1.0

1   6 8
1   7
3   7 33
7   7 4555
(2) 7 67
7   7 89
5   8 0
4   8 2
3   8 45
1   8
1   8
1   9 1

(b)

First Quartile    Median1    Third Quartile    Minimum1   Maximum1
74.25                   76.5              81.5      68               91

(c)

There is no outlier. In the above graph of scatter plot we can see that none of the observations falls outside the overall all pattern of the graph.

(d)

(e) 78

(f)   Mean        Variance
       77.81    31.50

g)

Th data is normally distributed , thus mean is the best center of measure and variance is the best measure of spread.

The overall graphical summary for reference is