Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-variance-370-en_uva-variance-370-en
    nameuva-variance-370-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Variance
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeInterpreting output
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.987
    p-value0.1284

    Question

    Below is output from SPSS regarding a correlation analysis.

    —- ——————— ——- ——- X1 X2 X1 Pearson Correlation 1,000 .554 Sig.(2-tailed) .032 N 15 15 X2 Pearson Correlation .554 1,000 Sig.(2-tailed) .032 N 15 15 —- ——————— ——- ——-

    What is the percentage of total variation that Xl and X2 have in common?


    1. FALSE: 0.1%
    2. FALSE: 3.2%
    3. TRUE: 30.7%
    4. FALSE: 55.4%

    1. 0.1%: Incorrect
    2. 3.2%: Incorrect
    3. 30.7%: Correct
    4. 55.4%: Incorrect