Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-measures-of-spread-478-en_uva-measures-of-spread-478-en
    nameuva-measures-of-spread-478-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.436
    p-value0.2269

    Question

    A passenger elevator has room for 4 people. The maximum load is 360 kilograms. Suppose the weights in a certain population are are normally distributed according to N(80, 10²). Someone claims to be among the heaviest 1% of the population. Then how heavy must he at least be?


    1. FALSE: 99.0 kg
    2. FALSE: 100.5 kg
    3. TRUE: 103.3 kg
    4. FALSE: 105.8 kg

    1. 99.0 kg: Incorrect
    2. 100.5 kg: Incorrect
    3. 103.3 kg: Correct
    4. 105.8 kg: Incorrect