In a scatterplot, a cluster...

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

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

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

In a scatterplot, an outlier...

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

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

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

What is a line of best fit used for?

To make it look like you know what you are doing

Which sentence describes the relationship shown on this scatterplot?

As the temperature increases, the number of visitors increases.

As the temperature decreases, the visitors increase.

As the visitors increase, the temperature decreases.

Molly collected data about the number of hours students studied and their scores on a test. The results are shown in the scatter plot. Which statement about the data is true?

As study hours increase, test scores increase.

As study hours increase, test scores decrease.

As study hours increase, test scores stay the same.

As study hours decrease, test scores increase.

What is a scatter plot?

A graph that shows the relationship of two data sets.

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

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

A graph that shows data changing over time.

Which data will most likely show a negative correlation when graphed on a scatter plot?

The outside temperature and the number of people wearing gloves.

The distance a student lives from school and the amount of time it takes to get to school.

The number of visitors at an amusement part and the length of the lines for the rides.

A student's height and grade point average.

Making Predictions with Scatter Plots

Quiz

•

Mathematics

•

7th - 9th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.B.5, HSF-LE.A.1B, HSF.LE.B.5

+3

Standards-aligned

Barbara White

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of correlation (association)?
The outside temperature and the amount of layers you wear.

Positive correlation

Negative correlation

No correlation

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the type of association?

Negative

no association

positive

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.

12 chapters

15 chapters

18 chapters

21 chapters

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the correlation between length of running start and distance of jump?

positive: the further you run the further you jump

negative: the less you run the less distance of your jump

positive: the further your running start the less your distance

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

The more books students read, the lower their English grade.

The more books students read, the higher their English grade.

The fewer books students read, the higher their English grade.

No relationship exists between the number of books students read and their English grades.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of trend is shown from this scatterplot?

positive correlation

negative correlation

none

cannot be determind

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Graph A

Graph B

Graph C

Graph D

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Making Predictions with Scatter Plots

35 questions

What type of correlation (association)?The outside temperature and the amount of layers you wear.

What is the type of association?

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.

What is the correlation between length of running start and distance of jump?

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

What kind of trend is shown from this scatterplot?

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

The equation of the trend line is y= 1/2x +1. What does the x variable represent?

In a scatterplot, a cluster...

In a scatterplot, an outlier...

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What type of correlation (association)?
The outside temperature and the amount of layers you wear.

The equation of the trend line
is y= 1/2x +1. What does the x variable represent?