Question

Question 1

The total area under a probability density polygon equals 1.

Question 1 options:

	True
	False

Question 2

The total area under the relative frequency polygon equals 1 when the interval size is 1.

Question 2 options:

	True
	False

Question 3

Smaller interval sizes always allow you to get a smoother polygon that will better represent the data.

Question 3 options:

	True
	False

Question 4

The interval size is chosen when the difference between the polygon and the histogram bars is as small as possible.

Question 4 options:

	True
	False

Question 5

The interval size does not depend on the number of data points.  

Question 5 options:

	True
	False

Answer 1

Question 1

The total area under a probability density polygon equals 1.

True

Question 2

The total area under the relative frequency polygon equals 1 when the interval size is 1.

True

Question 3

Smaller interval sizes always allow you to get a smoother polygon that will better represent the data

True

Question 4

The interval size is chosen when the difference between the polygon and the histogram bars is as small as possible.

False

Question 5

The interval size does not depend on the number of data points.  

False