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Stats Practice for Unit 2 Exam

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44 questions

  • 1. Open Ended
    30 seconds
    1 pt
    Rachel scored 670 on the analytic portion of the GRE (Graduate Record Exam). GRE scores are Normally distributed with a mean of 600 and a standard deviation of 30. How many standard deviations is Rachel's score above the mean?
  • 2. Open Ended
    30 seconds
    1 pt
    For -1.65 < z < 1.75, which one of the following graphs best represents the correct shaded area or proportion?
  • 3. Open Ended
    30 seconds
    1 pt
    Using the Standard Normal Table, what proportion of observations on the standard Normal curve satisfy -1.65 < z < 1.75?
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