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Eighth Grade (Grade 8) Statistics and Probability Concepts Questions

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Grade 8 Collecting and Interpreting Data
Causation means
  1. events are related.
  2. one event causes another one.
  3. the events are unrelated.
  4. none of the above.
Grade 8 Collecting and Interpreting Data CCSS: 8.SP.A.4
Out of 1,000 plants, some were given a new fertilizer and the rest were given no fertilizer. Some of the plants lived and some of them died, as shown below.
Lived - 200 had fertilizer, 600 had no fertilizer
Died - 50 had fertilizer, 150 had no fertilizer
Which of the following statements is supported by the data?
  1. Fertilized plants died at a higher rate than unfertilized plants did.
  2. Fertilized plants and unfertilized plants died at the same rate.
  3. Fertilized plants died at a lower rate than unfertilized plants died.
  4. None of the above statements can be supported by the data.
Grade 8 Scatter Plots CCSS: 8.SP.A.1

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

The family has a monthly heating bill of $100. Which of the following was most likely the average temperature for that month?
  1. 10°F
  2. 30°F
  3. 50°F
  4. 70°F
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 Collecting and Interpreting Data
Typically air temperature increases through the day between 10:00 am and 3:00 pm. This is an example of which type of association?
  1. constant association
  2. positive linear association
  3. negative linear association
  4. no association
Grade 8 Collecting and Interpreting Data
Jesse grew 1.5 cm this year while Shaniqua grew 2.5 cm. This is an example of
  1. correlation.
  2. causation.
  3. unrelated events.
  4. a and b.
Grade 8 Combinations and Permutations
Evaluate. 10!7!3!
  1. 720
  2. 450
  3. 22
  4. 120
Grade 8 Represent and Determine Probability
The number of three digit numbers using 4, 5, and 6 exactly once is 6.
  1. True
  2. False
Grade 8 Represent and Determine Probability
A child plays with matches, the house burns down is an dependent event.
  1. True
  2. False
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