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Home > Mathematics > General Mathematics > HSC Course > Data Analysis > DA7: Correlation > Quick quiz: A sample of multiple choice questions for this topic.

DA7

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1. What type of correlation does this scatter graph illustrate?

Scatter graph

Positive correlation.
 Negative correlation.
 No correlation.

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2. Which graph shows a non-linear correlation?

Scatter graph 1


Scatter graph 2


Scatter graph 3

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3. The y-intercept for this graph is:

Find y-intercept

1
 -1
 0

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4. The gradient for this line is:

Line x=4 y=3

3/4

-3/4

4/3

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5. Find he equation of this line:

Line x=-2 y=3

y = 2/3x + 3

y = 3/2x + 3

y = -3/2x + 3

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