# Linear Association of Data (Grade 8)

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## Linear Association of Data

1.

Typically, air temperature decreases through the night between midnight and 6:00 am. This is an example of what type of association?

- constant association
- positive linear association
- negative linear association
- no association

2.

Which type of association is being represented by the data below?

x - 2, 1, 6, 6, 8, 9, 7

y - 1, 3, 4, 7, 7, 9, 8

x - 2, 1, 6, 6, 8, 9, 7

y - 1, 3, 4, 7, 7, 9, 8

- Constant association
- Positive association
- Negative association
- No association

3.

The graph of this data would most resemble which of the following types of graphs?

x - 1, 1, 2, 3, 4, 6, 6

y - 10, 9, 8, 7, 6, 5, 4

x - 1, 1, 2, 3, 4, 6, 6

y - 10, 9, 8, 7, 6, 5, 4

- Positive linear
- Negative linear
- Constant linear
- None of the above

4.

The graph of this data would most resemble which type of graph?

x - 1, 2, 3, 4, 5, 6, 7

y - 4, 4, 4, 4, 4, 4, 4

x - 1, 2, 3, 4, 5, 6, 7

y - 4, 4, 4, 4, 4, 4, 4

- Constant association
- Positive association
- Negative association
- No association

5.

Data for 9 kids' history grades and the distance they live from school were calculated. What is the association between these two categories?

- No association
- Positive association
- Negative association
- Constant association

6.

Which of the equations below best represents the line with the following points?

x - 0, 1, 2, 3, 4

y - 10, 9, 8, 7, 6

x - 0, 1, 2, 3, 4

y - 10, 9, 8, 7, 6

- [math]y=x+10[/math]
- [math]y=-x-10[/math]
- [math]y=x-10[/math]
- [math]y=-x+10[/math]

7.

Which type of association is being represented by the information below?

x - 2, 1, 6, 6, 8, 9, 7

y - 1, 3, 4, 7, 7, 9, 8

x - 2, 1, 6, 6, 8, 9, 7

y - 1, 3, 4, 7, 7, 9, 8

- constant association
- positive linear association
- negative linear association
- no association

8.

The following are students' scores in History: 63, 49, 84, 33, 55, 23, 71, 62, and 41. The following are their English scores: 67, 69, 82, 32, 59, 26, 73, 62, and 39. What is the association between the grades?

- Positive association
- Negative association
- Nonlinear association
- Constant association

9.

Which equality has the best line fit for the data shown below?

x - 0, 1, 2, 3, 4

y - 0, 3, 6, 9, 12

x - 0, 1, 2, 3, 4

y - 0, 3, 6, 9, 12

- [math]y=x+3[/math]
- [math]y=3x[/math]
- [math]y=-3x[/math]
- [math]y=x-3[/math]

10.

What type of association is represented from the information below:

x - 1, 2, 3, 4, 5, 6, 7

y - 2, 3, 4, 5, 6, 7, 8

x - 1, 2, 3, 4, 5, 6, 7

y - 2, 3, 4, 5, 6, 7, 8

- constant association
- positive linear association
- negative linear association
- no association

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