Frequency Polygon and Ogive

The vertical axis of an ogive comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

Where do you find the left anchor of a frequency polygon?

What is wrong with this frequency polygon? Check all that apply.

• The anchors are missing

• The area below the line isn't shaded

• The x-axis isn't hashed consistently

• The title is missing

What is wrong with this frequency polygon? Check all that apply.

• The area under the line isn't shaded

• The horizontal axis is inconsistently hashed

• The vertical axis is inconsistently hashed

• The title is missing

What is wrong with this ogive? Check all that apply.

• There are two zeroes that don't line up

• The vertical axis label isn't descriptive

• There is no right anchor

• The horizontal and vertical axes are hashed differently

The Histogram, Frequency Polygon and Ogive are all graphs for this data type:

• Univariate qualitative

• Univariate quantitative

• Multivariate qualitative

• Multivariate quantitative

The horizontal axis of a frequency polgyon comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

Where do you find the anchor of an ogive?

• At the beginning of the first class

• At the end of the first class

• At the beginning of the last class

• At the end of the last class

Find the midpoints.

• 25.5, 35.5, 45.5, 55.5, 65.5, 75.5

• 20.5, 30.5, 40.5, 50.5, 60.5, 70.5, 80.5

• 21, 31, 41, 51, 61, 71

• 30, 40, 50, 60, 70, 80

Find the cumulative frequencies.

• 28, 56, 84, 100

• 28, 58, 70, 72, 74, 76

• 33%, 37%, 20%, 7%, 7%, 7%

• 28, 30, 12, 2, 2, 2