EBook Problems EDA Pics

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Contents

EBook Problems Set - Pictures of Data Problems

Problem 1

Two random samples were taken to determine backpack load difference between seniors and freshmen, in pounds. The following are the summaries:

Year Mean SD Median Min Max Range Count
Freshmen 20.43 4.21 17.20 5.78 31.68 25.9 115
Senior 18.67 3.56 18.67 5.31 27.66 22.35 157

Which of the following plots would be the most useful in comparing the two sets of backpack weights?

  • Choose One Answer:
(a) Histograms
(b) Dot Plots
(c) Scatter Plots
(d) Box Plots


Problem 2

School administrators are interested in examining the relationship between height and GPA. What type of plot should they use to display this relationship?

  • Choose one answer.
(a) box plot
(b) scatter plot
(c) line plot
(d) dot plot


Problem 3

What would be the most appropriate plot for comparing the heights of the 8th graders from different ethnic backgrounds?

  • Choose one answer.
(a) bar charts
(b) side by side boxplot
(c) histograms
(d) pie charts





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