Distribution Shape Mean Median Deviation

Which distribution has the largest median?

Distribution B is ______________

• symmetric

• skewed left

• skewed right

• uniform

Find the IQR of the distribution.

(only type in the number)

Which distribution has the smallest IQR? What is the value of the IQR?

• C, IQR= 20

• B, IQR= 5

• A, IQR= 6

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

• 68%

• 95%

• 99.7%

• 50%

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

• 68%

• 32%

• 16%

• 50%

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

• 99.7%

• 0.3%

• 0.15%

• 50%

The ages of the population of people living in Meru area in Ipoh are Normally distributed with mean 43 and standard deviation 14

The town has a population of 5,000.

How many would you expect to be aged between 22 and 57?

You can use this Standard Normal Distribution curve:

• 1750

• 3860

• 3870

• 4330

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

• 68%

• 95%

• 99.7%

• 50%

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

• 68%

• 32%

• 95%

• 50%