Data Distribution with Graphs

How good was the 2012 U.S. women’s soccer team? With players like Abby Wambach, Megan Rapinoe, and Carli Lloyd, the team put on an impressive showing en route to winning the gold medal at the 2012 Summer Olympics in London. The dotplot shows the difference in the number of goals scored in each game (U.S. women’s team – Opponent). What percent of its games did the 2012 U.S. women's team win?

• 21/25 = 0.84 or about 84% of the games

• 4/25 = 0.16 or about 16% of the games

• 25/21 = 1.19 or 1.19% of the games

• 25/4 = 6.25 or 6.25% of the games

Which interval has 400 employees?

• 33-43

• 0-10

• 77-87

• 66-76

Use the ogive to approximate the number in the sample.

• 100

• 28

• 80

• 341

Identify the class with the highest relative frequency.

• 95 - 105

• 105 - 115

• 115 - 125

• 125 - 135

Identify the class with the least relative frequency.

• 115 - 125

• 125 - 135

• 135 - 145

• 145 - 155

Approximate the greatest relative frequency.

• 0.03

• 0.15

• 0.25

• 0.35

Use the frequency histogram to determine the number of classes.

• 5

• 6

• 7

• 8

Use the frequency histogram to determine the class width

• 7

• 8

• 9

• 10

Use the ogive to approximate the location of the greatest increase in frequency.

• 58 - 60

• 60 - 62

• 62 - 64

• 64 - 66

Use the ogive to approximate the greatest increase.

• 5

• 10

• 15

• 20