Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-confidenceintervals-026-en_vufgb-confidenceintervals-026-en
    namevufgb-confidenceintervals-026-en
    sectionInferential Statistics/Confidence Intervals
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    The mean in a sample of 25 people is 12; the variance is 4. Calculate the 95% confidence interval for the population mean.


    1. FALSE: 11.22; 12.78
    2. TRUE: 11.17; 12.83
    3. FALSE: 10.43; 13.57
    4. FALSE: 10.35; 13.65

    1. Incorrect
    2. Correct
    3. Incorrect
    4. Incorrect