Interpret a scatter plot

Interpret a scatter plot

Multiple Choice

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. 

Multiple Choice

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Multiple Choice

Which relationship is shown by this scatter plot?

• As the cost goes down, the number sold goes down

• As the cost goes up, the number sold goes down.

• As the cost does down, the number sold remains the same

• There is no relationship between cost and the number sold.

Multiple Choice

Which relationship is shown by this scatter plot?

• the more hours he spent practicing, the more mistakes he made

• the less time he spent practicing, the less mistakes he made

• the more time he spent practicing, the less mistakes he made

• the graph has no association

Multiple Choice

Which relationship is shown by this scatter plot?

• as the distance increased, the cost increased.

• as the distance increased, the cost decreased

• as the distance increased, there was no change in the cost

• as the distance decreased, the cost increased.

Multiple Choice

Which relationship is shown by this scatter plot?

• as the elevation rises, the temperature gets warmer

• the scatter plot has no association

• as the elevation descends, the temperature decreases

• as the elevation rises, the temperature gets colder

Multiple Choice

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Open Ended

predict the year in which 38,000 clothing items were donated

Open Ended

Using the line of best fit, if your company wants to only pay $5.05 for each box of paper, how many boxes of paper should be ordered from Happy Paper company?

Multiple Choice

use the line of best fit to predict the temperature at 1000m of elevation

• 10

• 13

• 20

• 15

Multiple Choice

• y = 1.4x + 55

• y = 1.4x – 84

• y = 0.72x + 60

• y = 0.72 + 56

Multiple Choice

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Multiple Choice

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

• A
• B
• C
• D

Multiple Choice

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

• Positive correlation
• Negative correlation
• No correlation
• All of the above

Multiple Choice

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

Multiple Choice

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

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

Multiple Choice

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.

Multiple Choice

As x increases, y increases

• correlation coefficient
• causation
• positive correlation
• negative correlation