Mean, Mode, Median, Outliers and Normal Distribution

What is the value of the mean on this Normal Curve?

• 6

• 34

• 52

• 70

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%

• 99.7%

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%

The normal curve is symmetrical about the mean.

• True

• False

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

• 25%

• 68%

• 95%

• 99.7%

Which is a normal distribution graph?

• 
• 
• 
• 

35 is

• mean

• variance

• standard deviation

• 1st quartile

What is the standard deviation on this Normal Curve?

• 6

• 12

• 34

• 18

What is true about the data in this bar graph?

• In this perfectly symmetrical distribution, the mean, median, and mode are the same.

• The mean, median, and mode are different.

• There are several outliers in the set of data that makes this bar graph.

• The data is unevenly distributed - therefore, the mean, median, and mode are are all over the place.