Day 46 – Cause and Effect

Vocabulary Causation is the "causal relationship between conduct and result". That is to say that causation provides a means of connecting conduct with a resulting effect, typically an injury. Correlation is a statistical measure that indicates the extent to which two or more variables fluctuate together. A positive correlation indicates the extent to which those variables increase or decrease in parallel; a negative correlation indicates the extent to which one variable increases as the other decreases.

Exercises

Plotting Points and a Line of Best Fit Exercises Plotting Points and a Line of Best Fit Create a scatter plot for these data and draw the line of best fit.

Answer

Answer Key for Pretest (Plotting Points and a Line of Best Fit)

Create a scatter plot for these data, and draw the line of best fit. Data from the National Center for Education Statistics, 1990 K. Street, NW, Washington, D.C.20006. Questions for discussion: Do students with higher numbers of minutes of homework assigned tend to have higher or lower achievement scores? 2. Describe the relationship between the number of minutes of homework that is assigned each day and a student’s success. Use your graph to justify your argument. 3. Does it make sense that assigning more homework causes students to be more or less successful? Why or why not?

Answer

Create a scatter plot for these data, and draw the line of best fit Create a scatter plot for these data, and draw the line of best fit. (Answer key) Questions for discussion: Students with higher numbers of minutes of homework assigned tend to have higher achievement scores. 2. Answers will vary. 3. Answers will vary.

Create a scatter plot for these data, and draw the line of best fit. Questions for discussion: Do students with higher numbers of hours of television watched tend to have higher or lower achievement scores? 2. Describe the relationship between the number of hours of television watched each day and a student’s success. Use your graph to justify your argument. 3. Does it make sense that watching more television causes students to be more or less successful? Why or why not?s

Answer

Create a scatter plot for these data, and draw the line of best fit Create a scatter plot for these data, and draw the line of best fit. (Answer key)

Create a scatter plot for these data, and draw the line of best fit Create a scatter plot for these data, and draw the line of best fit. (Answer key) Questions for discussion: Do students with higher numbers of hours of television watched tend to have higher or lower achievement scores? Students with higher numbers of hours of television watched tend to have lower achievement scores. 2. Describe the relationship between the number of hours of television watched each day and a student’s success. Use your graph to justify your argument. Answers will vary. 3. Does it make sense that watching more television causes students to be more or less successful? Why or why not? Answers will vary.

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