1.3 Visualizing Trends In Data

7 Questions | Total Attempts: 369

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1.3 Visualizing Trends In Data

Questions and Answers
  • 1. 
    In the following graph, what type of correlation is indicated?
    • A. 

      Strong positive

    • B. 

      Strong negative

    • C. 

      Weak positive

    • D. 

      Weak negative

  • 2. 
    In the following graph, what type of correlation is indicated?
    • A. 

      Strong positive

    • B. 

      Strong negative

    • C. 

      Weak positive

    • D. 

      Weak negative

  • 3. 
    The variables student height and grade in mathematics have
    • A. 

      A positive correlation

    • B. 

      A negative correlation

    • C. 

      An inverse correlation

    • D. 

      No correlation

  • 4. 
    Two variables have a strong negative correlation. Which of the following statements is not true?
    • A. 

      The dependent variable decreases as the independent variable increases

    • B. 

      The trend of the data exhibits an irregular decline

    • C. 

      The line of best fit has a negative slope

    • D. 

      Most data points lie close to the line of best fit

  • 5. 
    A line of best fit
    • A. 

      Must pass through the origin

    • B. 

      Must pass through the median of the data

    • C. 

      Must have a positive slope

    • D. 

      Represents the trend of the data

  • 6. 
    The amount of time spent studying for a math test and the mark achieved would most likely exhibit
    • A. 

      A positive correlation

    • B. 

      A negative correlation

    • C. 

      No correlation

    • D. 

      A dependent trend

  • 7. 
    What type of correlation would exist between the number of hotdogs that a vendor sells and the price charged per hotdog?
    • A. 

      Positive correlation

    • B. 

      Negative correlation

    • C. 

      No correlation

    • D. 

      Quadratic correlation

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