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19 questions
How confident do you feel about scatter graphs?
Very confident
Confident
Unconfident
A little scared
The scatter graph shows the relationship between the age of a car and its value.
Describe the correlation shown on the diagram
Positive
Negative
No Correlation
What type of correlation is shown?
Positive correlation
Negative correlation
No correlation
What type of correlation is shown?
Positive correlation
Negative correlation
No correlation
Describe the correlation in the graph shown.
Strong Negative
Strong Positive
Weak Negative
Weak Positive
Which scatter plot show a positive relationship?
Graph A
Graph B
Graph C
Graph D
What is a line of best fit used for?
To connect the points
To make predictions
To make the graph look pretty
To make it look like you know what you are doing
The scatter graph shows the relationship between the amount of rainfall and the number of umbrellas sold each day.
Which statements are true?
The greater the amount of rainfall, the fewer umbrellas sold
The greater the amount of rainfall, the more umbrellas sold
The smaller the amount of rainfall, the fewer umbrellas sold
The smaller the amount of rainfall, the more umbrellas sold
The scatter graph shows the relationship between the age of a car and its value.
Which statements are true?
The younger the car, the higher its value
The older the car, the lower its value
As the car gets older, the cheaper it gets
The car is most expensive in the first few years
The line of best fit _____. Check all that apply.
should include outliers.
must pass through multiple points.
should have about the same number of points above and below.
can be used to make predictions.
The scatter graph shows the relationship between the amount of rainfall and the number of umbrellas sold each day.
On another day, there was 8.5mm of rainfall. Estimate the number of umbrellas sold on that day.
80
40
120
30
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