Normal Distribution Curve

What type of distribution is pictured?

• Right skewed

• Left skewed

• Random

• Normal

What is the mean on the graph given?

What is the mean on the graph given?

What is the standard deviation on the graph given?

What shape is a normal distribution curve?

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

According to the empirical rule, how much of the data falls within 3 standard deviations? 

• 25%

• 68%

• 95%

• 99.8%

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

• 68%

• 81.5%

• 16%

• 34.1%

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

• 25%

• 68.2%

• 95%

• 99.7%

Which is a normal distribution graph?

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35 is

• mean

• variance

• standard deviation

• 1st quartile