Scatter Plot - Heating Bill (Grade 8)
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Scatter Plot - Heating Bill
The scatter plot shows the change in the cost of a family's monthly heating bill based on the average monthly temperature. Use the scatter plot to answer the questions.
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1.
Does the scatter plot show a linear pattern or a nonlinear pattern?
- linear pattern
- nonlinear pattern
2.
What type of trend does the scatter plot show?
- positive trend
- negative trend
- no trend
3.
Which statement best interprets the data shown on the scatter plot?
- The family had lower monthly heating bills during months with high average temperatures.
- The family had higher monthly heating bills during months with high average temperatures.
- There is no relationship between the family's heating bill and the average monthly temperatures.
4.
The family has a monthly heating bill of $100. Which of the following was most likely the average temperature for that month?
- [math]10 deg F[/math]
- [math]30 deg F[/math]
- [math]50 deg F[/math]
- [math]70 deg F[/math]
5.
Which situation best represents an outlier data point if it was plotted on the scatter plot?
- The average temperature in March was [math]40 deg F[/math]. The family's heating bill that month was $140.
- The average temperature in March was [math]50 deg F[/math]. The family's heating bill that month was $120.
- The average temperature in March was [math]60 deg F[/math]. The family's heating bill that month was $180.
- The average temperature in March was [math]70 deg F[/math]. The family's heating bill that month was $50.
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