Center and Spread

Which of the following best describes the shape of the distribution?

• SKEWED LEFT

• SKEWED RIGHT

• UNIFORM

• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT

• SKEWED RIGHT

• UNIFORM

• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT

• SKEWED RIGHT

• UNIFORM

• SYMMETRICAL

The distribution shown is symmetric and we should use the mean and the standard deviation to describe the center and spread.

• True

• False

Find the IQR of the distribution.

(only type in the number)

(a)  

Find the interquartile range?

• 8

• 6

• 5

• 4

The IQR is the

• max - min

• Interquartile Range

• measure of spread that pairs with the mean

• Q₃ - Q₁

Which distribution has a larger Interquartile Range?

(a)  

Which distribution has the largest median?

(a)  

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

• C, IQR= 20

• B, IQR= 5

• A, IQR= 6