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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
Answer
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
Answer
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