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SecTIoN 1c Displaying Quantitative Data with Graphs 27

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
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Amount of added sugar (tsp)
Describe the distribution.

SOLUTION: AP® EXAM TIP

Shape: The distribution of amount of added sugar for these plant-based Always be sure to include
yogurt brands is roughly symmetric, with two clear peaks at 2 tsp and context when you are asked
3.5 tsp of added sugar. There are small gaps at 0.5 tsp and 4.5 tsp. to describe a distribution.
Outliers: The three brands of yogurt with 0 tsp of added sugar and the one This means using the variable
brand with 5 tsp of added sugar are possible outliers. name (e.g., amount of added
Center: The middle value is between 2 and 2.5 tsp of added sugar (median sugar), not just the units the
rating = 2.25 tsp). variable is measured in (tsp).
Variability: The amount of added sugar varies from 0 to 5 tsp.
FoR PRAcTIce, TRY eXeRcISe 9

CHECK YOUR
UNDERSTANDING

Knoebels Amusement Park in Elysburg, Pennsylvania, has earned acclaim for being
an affordable, family-friendly entertainment venue. Knoebels does not charge for
general admission or parking, but it does charge customers for each ride they take.
How much do the rides cost at Knoebels? The table shows the cost for each ride in a
sample of 22 rides in a recent year. 33

Name Cost Name Cost
Merry Mixer $1.50 Looper $1.75
Italian Trapeze $1.50 Flying Turns $3.00
Satellite $1.50 Flyer $1.50
Galleon $1.50 The Haunted Mansion $1.75
Whipper $1.25 StratosFear $2.00
Skooters $1.75 Twister $2.50
Ribbit $1.25 Cosmotron $1.75
Roundup $1.50 Paratrooper $1.50
Paradrop $1.25 Downdraft $1.50
The Phoenix $2.50 Rockin’ Tug $1.25
Gasoline Alley $1.75 Sklooosh! $1.75
1. Make a dotplot of the data.

2. Describe the distribution.

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35 36 37 38 39 40 41 42 43 44 45