Quiz about Scatter Plots and Line of Best Fit

Question 1

What type of association does this graph show?

Accepted Answer

none

Answer

Positive

Answer

negative

Answer

all of the above

Question 2

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

No

Answer

Yes

Question 3

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

Yes

Answer

No

Question 4

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

Yes

Answer

No

Question 5

What is the equation of the line of best fit

Accepted Answer

y= -2x + 10

Answer

y= 10x+ 2

Answer

y= 10

Question 6

What is the equation of the line of best fit?

Accepted Answer

y= $$\frac{1}{2}x\ +3$$

Answer

y= 2x

Answer

y=3x+7

Answer

y= $$-\frac{1}{2}x\ -3$$

Question 7

Question 7.

Accepted Answer

no trend

Answer

positive trend

Answer

negative trend

Question 8

Which scatter plot shows a linear relationship between x and y?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 9

What type of correlation does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Answer

all of the above

Question 10

What type of correlation does this graph have?

Accepted Answer

no association

Answer

Negative

Answer

positive

Question 11

Which sentence describes the relationship shown on this scatter plot?

Accepted Answer

As the temperature increases, the number of visitors increases.

Answer

As the temperature decreases, the visitors increase.

Answer

As the visitors increase, the temperature decreases.

Answer

No correlation

Question 12

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true?

Accepted Answer

There is a positive relationship between height and weight

Answer

There is a negative relationship between height and weight

Answer

There is a constant relationship between height and weight

Answer

There is no relationship between height and weight

Question 13

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 14

The age of a kitten and its weight.

Accepted Answer

positive association

Answer

negative association

Answer

no association

Question 15

In a scatterplot, an outlier...

Accepted Answer

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

Answer

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

Answer

...is a puppet with a long nose named Pinocchio

Answer

...is a really naughty point who doesn't tell the truth when outside

Question 16

What are the coordinates of the outlier?

Accepted Answer

(4,3)

Answer

(3,4)

Answer

(3,10)

Question 17

What is the y intercept for this line of best fit?

Accepted Answer

10

Answer

5

Answer

B

Question 18

What are the coordinates of the outlier?

Accepted Answer

(6,9)

Answer

(9,6)

Answer

What outlier

Question 19

What type of association does this graph have?

Accepted Answer

negative

Answer

positive

Answer

none

Answer

all of the above

Scatter Plots and Line of Best Fit

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics