Problem-Solving and Data AnalysisEasyPredicted score from a model
Problem-Solving and Data Analysis practice question
A model for a class relates hours studied x to test score y by y = 5x + 50. What score does the model predict for a student who studies for 4 hours?
Answer: 70
5(4) + 50 = 70.
Common wrong answers
- If you answered 54
- 54 adds 4 to 50.
- If you answered 55
- 55 adds 5 to 50.
- If you answered 200
- 200 multiplies 4 by 50.
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