Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-tstatistic-007-en_vufgb-tstatistic-007-en
    namevufgb-tstatistic-007-en
    sectionInferential Statistics/NHST/Test statistic/t-statistic, Descriptive statistics/Data representation/Graphs/Histogram
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation, Interpreting graph
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    See the histogram below, TRUE showing the frequency distribution of the CITO scores of 20 grade eight students. The mean in this sample is 531, with a standard deviation of 12.92. The national average is 535.

    Calculate the t value of the test that tests whether the sample mean deviates significantly from the national mean.


    1. FALSE: -0.31
    2. TRUE: -1.38
    3. FALSE: -4.00
    4. FALSE: -6.19

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