Exploring the Normal Distribution Curve

What is Gene's nickname?

• Red Bean

• Green Bean

• Yellow Bean

• Blue Bean

What shape does the normal distribution curve resemble?

• A circle

• A square

• A triangle

• A bell

What is the total area under the normal distribution curve?

• 2

• 1.5

• 1

• 0.5

What is the average height of an adult male?

• 70 inches

• 65 inches

• 75 inches

• 60 inches

What percentage of males are within one standard deviation of the average height?

• 80.1%

• 68.2%

• 50.2%

• 75.3%

How tall is Gene?

• 5 feet 10 inches

• 6 feet 2 inches

• 6 feet 5 inches

• 5 feet 6 inches

What percentage of the population falls within two standard deviations of the average height?

• 99.7%

• 95.5%

• 100%

• 68.2%

What percentage of the population falls within three standard deviations of the average height?

• 68.2%

• 95.5%

• 99.8%

• 100%

What is the average IQ score?

• 120

• 110

• 100

• 90

What is the standard deviation for IQ scores?

• 20 points

• 15 points

• 10 points

• 25 points