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A group of wine enthusiasts taste-tested a pinot noir wine
Chapter 6, Problem 43E(choose chapter or problem)
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. Construct a stemand- leaf diagram for these data and comment on any important features that you notice. Compute the sample mean, the sample standard deviation, and the sample median. A wine rated above 90 is considered truly exceptional. What proportion of the taste-tasters considered this particular pinot noir truly exceptional?
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
Questions & Answers
QUESTION:
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. Construct a stemand- leaf diagram for these data and comment on any important features that you notice. Compute the sample mean, the sample standard deviation, and the sample median. A wine rated above 90 is considered truly exceptional. What proportion of the taste-tasters considered this particular pinot noir truly exceptional?
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
ANSWER:
Answer
Step 1 of 1
(a)
We need to construct a stem-and-leaf diagram for given data and comment on any important features that you notice.
We are also asked to find the sample mean, standard deviation, and the sample median.
What proportions of the taste-tasters considered this particular pinot noir truly exceptional?
Step to create the Stem-and-leaf display in Minitab:
- On the opening of Minitab, you will get session handler and worksheet like Excel worksheet.
- Enter the data into the worksheet (in this case graded scale(0-100)).
- After entering the data go to the menu called Graph in menu panel.