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Eighth Grade (Grade 8) Statistics and Probability Concepts Questions

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Grade 8 Range, Median, Mean, and Mode
A group of 15 students sold raffle tickets. The median number of tickets sold by a single student was 87.

Which conclusion does this support?
  1. The group sold a total of 1,275 tickets.
  2. The group sold a total of 1,305 tickets.
  3. 7 students sold more than 87 tickets.
  4. 5 students sold 87 tickets
Grade 8 Scatter Plots CCSS: 8.SP.A.2
Grade 8 Scatter Plots CCSS: 8.SP.A.2
What would be the slope of a line of best fit?
Scatter Plot 1
  1. [math]1[/math]
  2. [math]4[/math]
  3. [math]1/4[/math]
  4. [math]4/4[/math]
Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

Which situation best represents an outlier data point if it was plotted on the scatter plot?
  1. The average temperature in March was [math]40 deg F[/math]. The family's heating bill that month was $140.
  2. The average temperature in March was [math]50 deg F[/math]. The family's heating bill that month was $120.
  3. The average temperature in March was [math]60 deg F[/math]. The family's heating bill that month was $180.
  4. The average temperature in March was [math]70 deg F[/math]. The family's heating bill that month was $50.
Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

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.
Grade 8 Represent and Determine Probability
Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

What type of trend does the scatter plot show?
  1. positive trend
  2. negative trend
  3. no trend
Grade 8 Represent and Determine Probability
Grade 8 Collecting and Interpreting Data
Grade 8 Represent and Determine Probability
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