Normal Distribution 1

What type of distribution is pictured?

• Right skewed

• Left skewed

• Random

• Normal

What is the mean on the graph given?

(a)  

What is the standard deviation on the graph given?

(a)  

Between what two standard deviations of a normal distribution contain 68% of the data?

• one below and one above
• two below and two above
• two below and zero
• zero and two above

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

• 100
• 25
• .5
• 1

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

• 68%
• 95%
• 99.7%
• 50%

On the math portion of the SAT, scores are roughly normal, with a mean of 500 and a standard deviation of 100. What percent of scores are above 400?

• 68%

• 81.5%

• 84%

• 99.7%

Tags

CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Which graph shows data that is normally distributed?

• 
• 
• 
• 

According to the empirical rule, what percentage of data falls within 1 standard deviation? 

• 25%
• 68%
• 95%
• 99.7%