Statistics Preview/Review

• Phone line: 26.73%, Text Messaging: 29.25%, Internet: 36.99%.

• Phone line: 25.00%, Text Messaging: 30.00%, Internet: 35.00%.

• Phone line: 27.00%, Text Messaging: 28.00%, Internet: 37.00%.

• Phone line: 26.00%, Text Messaging: 29.00%, Internet: 37.00%.

The marketing director wants to make a recommendation to the owner of the magazine about where to spend more money on advertising using a data display. What graphical display is best for the director to use to display the data?

• Bar graph

• Pie chart

• Line graph

• Scatter plot

The swim team at a high school recorded the amount of time it took for two different groups of students to swim 100 meters at the pool. What group best displayed the data?

• Group 1's list of times

• Group 2's box plot

• Both are equally good

• Neither is good

The swim team at a high school recorded the amount of time it took for two different groups of students to swim 100 meters at the pool. Which other display could be considered for this data? Select all that apply.

• Line plot

• Histogram

• Stem-and-leaf plot

A group of 768 high school juniors and seniors were asked what their ACT scores were the first time they took the test. What representation would be best display for the data?

• Box plot

• Histogram

• Line plot

• Stem-and-leaf plot

Mrs. Mills asked her seventh grade students how many text messages they sent each hour. The number of text messages sent each hour is shown below. {0,0,0,0,0,0,1,1,1,1,1,1,2,3,4,5,5,6,6,7,7,7,7,7,20} What representation would be the best display for the data?

• Line Plot

• Histogram

• Box plot

• Line graph

Mrs. Mills asked her seventh grade students how many text messages they sent each hour. The number of text messages sent each hour is shown below. {0,0,0,0,0,0,1,1,1,1,1,1,2,3,4,5,5,6,6,7,7,7,7,7,20} Explain your reasoning for your choice of the representation would be the best display for the data.

• A line plot would allow you to see all of the data and more easily determine measures of center and variation.

• A histogram would allow you to see all of the data and more easily determine measures of center and variation.

• A box plot would allow you to see all of the data and more easily determine measures of center and variation.

• A line graph would allow you to see all of the data and more easily determine measures of center and variation.

Rylie wants to make a graph that will show the proportion of students in her art class like the color red when compared to purple, green, blue and orange. Which graphical representation would best show this comparison?

• Bar graph

• Pie chart

• Line graph

• Histogram

The average time it takes for drivers to commute to work in different cities across Florida were recorded over a year. What type of graphical representation would be the best display for this data?

• Bar chart

• Line graph

• Pie chart

• Histogram

Mr. Peterson’s class took a poll to see what number of A’s they received on their report cards for the first quarter on their report cards. What graphical representation would be the best display for this data?

• Bar graph

• Pie chart

• Line plot

• Histogram