Ed 602 Quiz 9

Enter your name is the space below. Then select the best answer to each test item. After clicking the submit button at the bottom of the page, your responses will be evaluated and the results returned to you.

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  1. What is the symbol for the significance of a statistical test? It is also the probability of making a type I error.

  2. What is the power of a statistical test?

  3. For the following research problem - The number of days absent per semester for the population of education students is normally distributed with a mean of 2.73 and a standard deviation of .66. Joe is absent four times during the fall semester. Did Joe exhibit significantly more absences than the population?

    What is the null hypothesis for this problem?

  4. For the research problem given in item 2, what is the alternative hypothesis for the problem?

  5. The statistical test completed for the problem given in item 3 would be described as
    1. directional and one-tailed.
    2. directional and two-tailed.
    3. non-directional and one-tailed.
    4. non-directional and two-tailed.

After answering all questions, press .