Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-one-sample-mean-347-en_uva-one-sample-mean-347-en
    nameuva-one-sample-mean-347-en
    sectionInferential Statistics/Parametric Techniques/t-test/One sample mean
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.999
    p-value0.1212

    Question

    A researcher used a sample to construct a 95% two-sided confidence interval established for the population mean, μ, and namely (23.4 ; 28.9). If he were now to test the null hypothesis that μ equals 30, with a two-sided risk α of 5%, then the conclusion should be:


    1. TRUE: Reject H0, the result is significant.
    2. FALSE: Reject Ha, the result is not significant.
    3. FALSE: Do not reject H0, the result is significant.
    4. FALSE: Do not reject H0, the result is not significant.

    1. Reject H0, the result is significant…: Correct
    2. Reject Ha, the result is not significant…: Incorrect
    3. Do not reject H0, the result is significant…: Incorrect
    4. Do not reject H0, the result is not significant…: Incorrect