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 10E

(a)

To determine

To construct a histogram of the daily sales since the shop has been in business.

(a)

Expert Solution
Check Mark

Explanation of Solution

The histogram of the daily sales is as follows:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter 7, Problem 10E

The horizontal axis is the sales and the vertical axis is the days.

(b)

To determine

To state one fact that is obvious from the scatterplot but not from the histogram.

(b)

Expert Solution
Check Mark

Answer to Problem 10E

It is positive, linear and moderately strong.

Explanation of Solution

The one fact that is obvious from the scatterplot but not from the histogram is that the relationship is positive, linear and moderately strong. You can see the comparison between sales and days and also see the trend over time from the scatterplot but not from the histogram. Thus, it is the benefit of the scatterplot over the histogram.

(c)

To determine

To state one fact that is obvious from the histogram but not from the scatterplot.

(c)

Expert Solution
Check Mark

Answer to Problem 10E

It is uni-modal and also it is symmetric.

Explanation of Solution

The one fact that is obvious from the histogram but not from the scatterplot is that, we can say that it is uni-modal and also it is symmetric because we can see from the histogram that the left and the right side are almost equal in shape. You can easily see the average with the help of histogram. Thus, it is the benefit of the histogram over scatterplot.

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