Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-slope-001-en_vufgb-slope-001-en
    namevufgb-slope-001-en
    sectionInferential Statistics/Regression/Slope
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    In a particular research study, a professor tries to predict the exam grades of students based on the results of a formative test. The mean score on this formative test was 60 points, with a standard deviation of 6.0 points. The mean score on the actual exam was 80 points, with a standard deviation of 5.0 points. The correlation coefficient (r) between both variables was 0.6. What is the slope of the corresponding regression line?


    1. FALSE: 0.45
    2. TRUE: 0.50
    3. FALSE: 0.60
    4. FALSE: 0.72

    1. Incorrect
    2. Correct
    3. Incorrect
    4. Incorrect