Identifying Trends & Patterns
Analyze scatter plots to recognize positive, negative, and non-existent linear trends. Practice identifying underlying patterns in variable relationships.
Questions
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MultiChoice
As outdoor temperature increases, sales of hot soup decrease. What type of association is this?
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MultiChoice
As study hours increase, exam scores tend to increase. The line of best fit for this data will have a:
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MultiChoice
A scatter plot shows points scattered completely randomly with no pattern. What is the slope of a line of best fit?
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MultiChoice
What type of correlation exists between shoe size and IQ score?
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MultiChoice
As vehicle speed increases, the stopping distance required increases. What direction does the best fit line go?
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MultiChoice
As altitude increases, atmospheric pressure decreases. The line of best fit modeling this relationship has a:
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MultiChoice
Which pair of variables would most likely show a positive linear association?
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MultiChoice
Which pair of variables would most likely show a negative linear association?
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MultiChoice
A scatter plot points form a clear diagonal band going down to the right. This represents:
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MultiChoice
If increase in variable X results in no predictable change in variable Y, the association is:
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MultiChoice
What kind of association does a linear model y = -3.2x + 45 describe?
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MultiChoice
What kind of association does a linear model y = 0.95x + 1.2 describe?