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    Two or More Sample Hypothesis Testing

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    I Completed the first half, but I am struggling with the questions below. They are multiple choice.

    Objective: Apply hypothesis testing to different populations and samples in business research situations.

    5. One characteristic of any Student's t distribution is

    a. It is right skewed.
    b. As n increases, the t-distribution approaches a uniform distribution.
    c. It is described by its degrees of freedom.
    d. It has a mean of 0 and a standard deviation of 1.

    Objective: Perform a hypothesis test of two population means using the standard normal distribution.

    6. One hundred women were polled and 60 reported successfully communicating an automobile problem to the auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is

    a. -0.5319
    b. 0.7293
    c. -0.419
    d. 0.2702

    Objective: Determine when to use an ANOVA for managerial decisions.

    8. A balanced experiment requires that the sample size for each treatment be equal.

    a. True
    b. False

    Objective: Perform an ANOVA.

    9. If you have 4 factors (call them A, B, C and D) in an ANOVA experiment with replication you could have 4 different two-factor interactions.

    a. True
    b. False

    Please help. . . Thank you!

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    Solution Summary

    Multiple choice question from ghpothesis testing.