Normal Distribution

What shape is a normal distribution curve?

• Half curve

• Rhombus curve

• Bell curve

• Square curve

What does the mean tell you about a data set

• It tells you the number that occurs the most

• It is the difference between the highest and lowest number

• It tells you the average of the data set

• It tells you how mad someone is at another person

Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?

• 34%

• 16%

• 81.5%

• 2.5%

Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 54 and 96?

• 13.59%

• 99.73%

• 95.44%

• 2.14%

Given a mean of 75 and a standard deviation of 7, what percentage of scores are greater than 68?

• 34%

• 84%

• 95%

• 68%

Where can we locate the mean in the normal curve?

• On the left side of the curve.

• At the center of the curve.

• On the right side of the curve.

• With the outliers.

What is the total area under the normal curve in a standard normal distribution?

• 1

• 2

• 3

• 4

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 50%

• 95%

• 99.7%

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 95%

• 50%

• 99.7%

This data is normally distributed. What percent of the data is in the shaded region?

• 68.2%

• 95.4%

• 99.7%

• 50%