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1. |
Consider the scatter plot below. Which statement is not true about this scatter plot? |
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A. |
As the values of x increase, the values of y increase. |
B. |
There appears to be a positive relationship. |
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C. |
There appears to be a negative relationship. |
D. |
If a line was drawn approximately through the points on the scatter plot, the line would have a positive slope. |
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Hint |
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2. |
If a line is drawn through points on a scatter plot and a negative relationship is shown, then _____. |
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A. |
the slope of the line is 0 |
B. |
the slope of the line is undefined. |
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C. |
as the values of x increase, the values of y increase |
D. |
as the values of x increase, the values of y decrease |
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Hint |
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3. |
Children in grades one through six are measured for their height. A scatter plot is drawn where the ordered pairs are (grade, height). Which statement will be true? |
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A. |
The graph will show a negative relationship between the variables. |
B. |
The graph will show no relationship between the variables. |
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C. |
If a line was drawn approximately through the points, a vertical line would result. |
D. |
The graph will show a positive relationship between the variables. |
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Hint |
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4. |
Refer to the scatter plot below. Students were surveyed to find the number of minutes of TV watched per day and the number of minutes of exercise they engaged in per day. Which statement cannot be supported by the scatter plot? |
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A. |
Some students exercised for more than 80 minutes per day. |
B. |
Students who watch a lot of TV score poorly on tests. |
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C. |
There is a negative relationship between minutes of TV watched and minutes of exercise. |
D. |
As students watch more TV, they exercise less. |
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Hint |
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5. |
Determine whether the scatter plot shows a positive relationship, negative relationship, or no relationship. |
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A. |
cannot be determined |
B. |
negative relationship |
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C. |
no relationship |
D. |
positive relationship |
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Hint |
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