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?
  1. constant association
  2. positive linear association
  3. negative linear association
  4. 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
  1. Constant association
  2. Positive association
  3. Negative association
  4. 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
  1. Positive linear
  2. Negative linear
  3. Constant linear
  4. 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
  1. Constant association
  2. Positive association
  3. Negative association
  4. 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?
  1. No association
  2. Positive association
  3. Negative association
  4. 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
  1. [math]y=x+10[/math]
  2. [math]y=-x-10[/math]
  3. [math]y=x-10[/math]
  4. [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
  1. constant association
  2. positive linear association
  3. negative linear association
  4. 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?
  1. Positive association
  2. Negative association
  3. Nonlinear association
  4. 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
  1. [math]y=x+3[/math]
  2. [math]y=3x[/math]
  3. [math]y=-3x[/math]
  4. [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
  1. constant association
  2. positive linear association
  3. negative linear association
  4. no association

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