Comparing Data Displays and Distributions

Which of the following boxplots best matches the distribution shown in the histogram?

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The stem plot shows the number of home runs hit by each of the 30 Major League Baseball teams in 2011. Home run totals above what value should be considered outliers?

• 222

• 229

• 229 and 257

• 257

If a distribution is skewed to the right with no outliers,

• mean < median.

• mean > median.

• mean = median.

• We can’t tell without examining the data

How many employees are there that make between $33,000 and $43,000

• 250

• 500

• 550

• 750

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?

• 7:00-7:59 P.M.

• 8:00–8:59 P.M.

• 9:00–9:59 P.M.

• 10:00–10:59 P.M. 

What is incorrect about the following histogram?

• The intervals are too small

• The intervals overlap

• The graph does not start at 0

• The axes are not labeled.

Mr. Semo is making a histogram to show the scores on the last science test. He first lists the scores in a stem-and-leaf plot. How many units tall should the bar be for the interval 70-79?

• 2

• 5

• 9

• 11

What percent of the trees are 5-9 feet tall?

• 18.9%

• 31%

• 22.1%

• 10%

How many students have more than 1,000 songs on their MP3 player?

• 5

• 16

• 10

• 4

What percent of students have less than 1,000 songs on their MP3 players?

• 15%

• 80%

• 20%

• 45%