Question

Identify which graphical display might be appropriate in each case.

Graph Choices to choose from	Statistical Procedure Choices to choose from
1. Bar Chart	a. Chi-squares for association
2. Pie Chart	b. Z-test for one sample mean
3. Side-by-side bar chart	c. Linear regression and correlation
4. Segmented bar chart	d. Student-test for mean differences
5. Histogram	e. Z test for single proportion
6. Dotplot	f. ANOVA
7. Side-by-side boxplots	g. Z test for difference between means
8. Scatterplot	h. Chi-squares goodness of fit

Problem:

Scenario	Graphic	Statistical
1. Investigate the number of fatal road in your community during the last year
2. Investigate the relationship between weight and height for middle school children
3. Compare the heights among high school freshmen, sophomores, juniors, and seniors
4. Compare the percentages of males among science and engineering majors
5. Investigate the favorite method of travel (plane, auto, train) among Seniors

Answer 1

1. Investigate the number of fatal road in your community during the last year

Graphic - Histogram

Statistical - Z-test for one sample mean

2. Investigate the relationship between weight and height for middle school children

Graphic - Scatterplot

Statistical - c. Linear regression and correlation

3. Compare the heights among high school freshmen, sophomores, juniors, and seniors

Graphic - Side-by-side bar chart

Statistical - ANOVA

4. Compare the percentages of males among science and engineering majors

Graphic - Segmented bar chart

Statistical - Z test for single proportion

5.  Investigate the favorite method of travel (plane, auto, train) among Seniors

Graphic - Segmented bar chart

Statistical - Chi-squares for association