Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-measures-of-location-132-en_uva-measures-of-location-132-en
    nameuva-measures-of-location-132-en
    sectionDescriptive statistics/Summary Statistics/Measures of Location
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.302
    p-value0.2408

    Question

    Based on a random sample of n = 30 people, I want to establish a 99% confidence interval for the population mean. In the sample, the mean is 10.23 and the standard deviation is 3.9. The margin of error is then equal to


    1. FALSE: 1.454
    2. FALSE: 1.834
    3. TRUE: 1.962

    1. 1.454: Incorrect
    2. 1,834: Incorrect
    3. 1.962: Correct