A group of wine enthusiasts taste-tested a pinot noir wine from Oregon. The evaluation was to grade the wine on a 0 to 100 point scale. The results follow:

distance test is conducted by hitting balls with a driver swung by a mechanical device nicknamed “Iron Byron” after the legendary great Byron Nelson, whose swing the machine is said to emulate. Following are 100 distances (in yards) achieved by a particular brand of golf ball in the overall distance test.

Construct a stem-and-leaf diagram for this data and comment on any important features that you notice. Compute the sample mean, sample standard deviation, and the sample median.

94 90 92 91 91 86 89 91 91 90 90 93 87 90 91 92 89 86 89 90 88 95 91 88 89 92 87 89 95 92 85 91 85 89 88 84 85 90 90 83

(a) Construct a stem-and-leaf diagram for this data and comment on any important features that you notice.

(b) Compute the sample mean, sample standard deviation, and the sample median.

(c) A wine rated above 90 is considered truly exceptional.
What proportion of the taste-tasters considered this particular pinot noir truly exceptional?