Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-correlation-1397-en_uva-correlation-1397-en
    nameuva-correlation-1397-en
    sectionDescriptive statistics/Summary Statistics/Bivariate statistics/Correlation
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty0
    p-value0.9242

    Question

    A study looked at 33 elderly people to examine the relationship between education level (number of years in school) and the ability to focus on something focus. Below is a scatterplot of the results, with the corresponding regression line.Ê The correlation coefficient between number of years of schooling and ability to to focus is approximately:Ê


    1. TRUE: 0.40
    2. FALSE: 0.57
    3. FALSE: 0.83
    4. FALSE: 0.92

    1. 0.40: Correct
    2. 0.57: Incorrect
    3. 0.83: Incorrect
    4. 0.92: Incorrect