Empirical(68-95-99.7) Rule Quiz

Highest point of the curve, the center, represents the _?

• μ

• δ

• Σ

• Ζ

What is the percentage of data that falls within three standard deviations of the mean?

• 99.7%

• 98.7%

• 95%

• 100%

Tags

CCSS.HSS.ID.A.4

What is the percentage of data that falls within two standard deviations of the mean?

• 68%

• 99.7%

• 95%

• 98%

Tags

CCSS.HSS.ID.A.4

What is the percentage of data that falls within one standard deviation of the mean?

• 67%

• 65%

• 72%

• 68%

Tags

CCSS.HSS.ID.A.4

What shape is a normal distribution curve?

• Half curve
• Round curve
• Bell curve
• Square curve

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 600 and 700? Calculate the probability.

• 2.5%

• 2.35%

• 16%

• 13.5%

Tags

CCSS.HSS.ID.A.4

Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 300 and 500? Calculate the probability.

• 49.85%

• 47.5%

• 50%

• 83.85%

Tags

CCSS.HSS.ID.A.4

Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 600? Calculate the probability.

• 47.5%

• 48.85%

• 50%

• 83.85%

Tags

CCSS.HSS.ID.A.4

Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 700? Calculate the probability.

• 99.7%

• 95%

• 97.35%

• None of the Above

Tags

CCSS.HSS.ID.A.4

The mean (500) is also called the

• The Reflection

• The Line of Symmetry

• Half way point

• Standard Deviation