Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter 7, Problem 9E

(a)

To determine

To construct a histogram showing the distribution of the number of broken pieces in the 24 batches of pottery examined.

(a)

Expert Solution
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Explanation of Solution

The histogram showing the distribution of the number of broken pieces in the 24 batches of pottery examined is as follows:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter 7, Problem 9E

The horizontal axis is the number of broken pieces and the vertical axis is the number of batches.

(b)

To determine

To describe the distribution as shown in the histogram and find out what feature of the problem is more apparent in the histogram than in the scatterplot.

(b)

Expert Solution
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Explanation of Solution

As we see in the histogram of part (a), we can say that the histogram is uni-modal as there is only one mode and the histogram is skewed to the right as the tail of the histogram is to the right of the graph. For a right skewed distribution, the mean is typically greater than the median. Also notice that the tail of the distribution on the right hand (positive) side is longer than on the left hand side.

(c)

To determine

To find out what aspect of the company’s problem is more apparent in the scatterplot.

(c)

Expert Solution
Check Mark

Explanation of Solution

It shows the relationship of the number of broken pieces and the number of batches. It shows that the histogram is positive and also somewhat there is a linear relation between the number of batch number and the number of broken pieces. As there is more batches there is more number of broken pieces.

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