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3 questions
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  • Q1
    Kesha asked seven friends what their math grades are and how many hours they worked each week. She plotted the results in this graph. The data can be modeled with the best-fit linear function. Based on this model, what is the approximate time spent working each week for a student whose math grade is 71?
    Question Image
    9 hours
    6 hours
    15 hours
    11 hours
    300s
    NC.M1.S-ID.7
  • Q2
    The scatterplot below shows the height of a plant for four weeks. Based on a linear model, how tall would the plant be in 5 weeks?
    Question Image
    4.0 inches
    5.0 inches
    4.5 inches
    6.0 inches
    300s
    NC.M1.S-ID.7
  • Q3
    The graph below shows the ages of puppies and their corresponding weights. Which statement is true?
    Question Image
    There is a strong, positive correlation between the age and weight of a puppy.
    There is a strong, negative correlation between the age and weight of a puppy.
    There is a weak correlation between the age and weight of a puppy.
    There is no correlation between the age and weight of a puppy.
    300s
    NC.M1.S-ID.8

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