Outlier Scatter Plot

In a scatterplot, an outlier...

• ...is something we didn't learn in 8th grade

• ...is a point on the origin

• ...is a point that is far outside the main cluster of points/ordered pairs

• ...is a group of points that are close together

Is the point in red an outlier?

• Yes

• No

Identify any outliers.

• Outlier at x = 18

• Outlier at x = 12

• Outlier at x = 6

• There aren't any outliers in this graph.

Identify any outliers.

• Outlier at x = 10

• Outlier at x = 15

• Outlier at x = 30

• There aren't any outliers in this graph.

What is the outlier in the scatter plot?

• (30, 12)

• (1, 2)

• (40, 1)

• No outlier

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

What is the outlier in the scatter plot?

• (10, 45)

• (9, 20)

• (1, 35)

• No outlier

Which point is the outlier on this scatter plot?

• (0.07, 18)

• (68, 165)

• (85, 220)

• (105, 320)

Are there any outliers?

• Yes, (45, 8).

• Yes, (40, 1).

• No.

Answer explanation

(45, 8) is an outlier because the point goes against the general negative pattern formed by the rest of the data.

Most students missed fewer questions the more they studied. However, this student studied a lot and missed a lot of questions.

Are there any outliers?

• Yes

• No

Answer explanation

There are no outliers because all data points follow a similar increasing pattern. Higher temperature is related to higher sales.