Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-interquartile-range-1203-en_uva-interquartile-range-1203-en
    nameuva-interquartile-range-1203-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Interquartile Range
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.72
    p-value0.8422

    Question

    Weight (in whole kilograms) was measured in 41 individuals. The results are shown in the attached boxplot.Ê One of the 4 statements below about the boxplot is not TRUE. Which statement is NOT TRUE?


    1. FALSE: The third quartile is larger than the first quartile.
    2. FALSE: There are no outliers (“outliers”) in this boxplot.
    3. FALSE: The spread width of these numbers is equal to 12.
    4. TRUE: The largest observation is further away from the median than the smallest observation.

    1. The third quartile is larger than the first quartile: Incorrect
    2. There are no outliers in this boxplot: Incorrect
    3. The spread width of these numbers equals 12.: Incorrect
    4. The largest observation is further away from the median than the smallest observation…: Correct