Interpreting Scatter Plots (Grade 8)

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Interpreting Scatter Plots

1. 
The scatter plot below shows what type of correlation?
Scatter Plot 1
  1. low positive correlation
  2. low negative correlation
  3. high positive correlation
  4. high negative correlation
  5. no correlation
 
2. 
The scatter plot below shows what type of correlation?
Scatter Plot 2
  1. low positive correlation
  2. low negative correlation
  3. high positive correlation
  4. high negative correlation
  5. no correlation
3. 
The scatter plot below shows what type of correlation?
Scatter Plot 3
  1. low positive correlation
  2. low negative correlation
  3. high positive correlation
  4. high negative correlation
  5. no correlation
 
4. 
The scatter plot below shows what type of correlation?
Scatter Plot 4
  1. low positive correlation
  2. low negative correlation
  3. high positive correlation
  4. high negative correlation
  5. no correlation
5. 
If the four data points listed below were added to the scatter plot, which point would be an outlier?
Scatter Plot 1
  1. (15, 16)
  2. (25, 10)
  3. (30, 32)
  4. (45, 44)
 
6. 
If the four data points listed below were added to the scatter plot, which point would be an outlier?
Scatter Plot 3
  1. (10, 190)
  2. (40, 125)
  3. (75, 50)
  4. (80, 220)
7. 
A homework survey was conducted of Pinewood Middle School students. The scatter plot compares the number of students and the total minutes of homework they completed on a given night. How many students reported completing 25 minutes of homework for that night?
Scatter Plot 1
  1. 18
  2. 24
  3. 28
  4. 31
 
8. 
The scatter plot below shows the number of calories Lexie burns per minute when she does her stretching exercises. Which off the following best estimates the number of calories Lexie would burn during 50 minutes of stretching?
Scatter Plot 4
  1. 26
  2. 38
  3. 45
  4. 51
9. 
The scatter plot shows the monthly heating bill cost for the Herrera family compared to the average temperature per month. Based on the plot, which is the best estimate of the Herrera family's heating bill for a month that averaged [math]90deg F[/math]?
Scatter Plot 3
  1. $20
  2. $50
  3. $130
  4. $250
 
10. 
The scatter plot below shows the monthly heating bill cost for the Herrera family compared to the average temperature per month. Which statement best describes the trend for the scatter plot?
Scatter Plot 3
  1. the lower the average monthly temperature, the lower the monthly heating bill
  2. the lower the average monthly temperature, the higher the monthly heating bill
  3. there is a low correlation between the average monthly temperature and the monthly heating bill
  4. there is no correlation between the average monthly temperature and the monthly heating bill

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