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# 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.
1.
Does the scatter plot show a linear pattern or a nonlinear pattern?
1. linear pattern
2. nonlinear pattern
2.
What type of trend does the scatter plot show?
1. positive trend
2. negative trend
3. no trend
3.
Which statement best interprets the data shown on the scatter plot?
1. The family had lower monthly heating bills during months with high average temperatures.
2. The family had higher monthly heating bills during months with high average temperatures.
3. 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? 1. $10 deg F$ 2. $30 deg F$ 3. $50 deg F$ 4. $70 deg F$ 5. Which situation best represents an outlier data point if it was plotted on the scatter plot? 1. The average temperature in March was $40 deg F$. The family's heating bill that month was$140.
2. The average temperature in March was $50 deg F$. The family's heating bill that month was $120. 3. The average temperature in March was $60 deg F$. The family's heating bill that month was$180.
4. The average temperature in March was $70 deg F$. The family's heating bill that month was \$50.
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