Quiz about Positive or Negative Correlations

Question 1

What is the type of correlation?

Accepted Answer

none

Answer

positive

Answer

negative

Question 2

What type of correlation does this graph have?

Accepted Answer

negative

Answer

positive

Answer

none

Question 3

What type of correlation does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Question 4

What type of correlation does this graph show?

Accepted Answer

none

Answer

positive

Answer

negative

Question 5

What type of correlation does this scatter plot show?

Accepted Answer

negative

Answer

positive

Answer

none

Question 6

What type of correlation does this scatter plot represent?

Accepted Answer

none

Answer

positive

Answer

negative

Question 7

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

Accepted Answer

18 chapters

Answer

12 chapters

Answer

15 chapters

Answer

21 chapters

Question 8

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

Accepted Answer

190 pages

Answer

150 pages

Answer

170 pages

Answer

210 pages

Question 9

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

Accepted Answer

As x increases, y decreases

Answer

As x increases, y increases

Answer

As x decreases, y decreases

Question 10

About how many male math teachers were there in 2006?

Accepted Answer

35

Answer

15

Answer

30

Answer

45

Question 11

In a scatterplot, an outlier...

Accepted Answer

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

Answer

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

Answer

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

Question 12

If a scatterplot has no association then...

Accepted Answer

...its ordered pairs have no predictable pattern

Answer

...it has no ordered pairs

Answer

...it has ordered pairs that have a negative pattern

Question 13

In the scatterplot shown, a line has been drawn to show the trend in a population of box turtles over a period of twelve months. Estimate the population of box turtles after 15 months.

Accepted Answer

150 turtles

Answer

440 turtles

Answer

40 turtles

Answer

90 turtles

Question 14

What is a scatter plot?

Accepted Answer

A graph that shows the relationship of two data sets.

Answer

A graph drawn using rectangular bars to show how large each value is.

Answer

A graph that shows information that is connected in some way.

Answer

A graph that shows data changing over time.

Question 15

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 16

Which statement is true about the given scatter plot?

Accepted Answer

It has a negative association because as the practice length increases the number of baseballs decreases.

Answer

It has a positive association because all of the points have positive coordinates.

Answer

It has a negative association because the practice length is always less than the number of baseballs in the cart.

Answer

It has a positive association because the points on the graph go towards 50.

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