Free CSSGB Exam Braindumps (page: 12)

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The Alpha level of a test (level of significance) represents the yardstick against which P-values are measured and the Null Hypothesis is rejected if the P-value is which of these?

  1. Less than the Alpha level.
  2. Greater than the Alpha level.
  3. Greater than the Beta and Alpha level.
  4. Less than one minus Alpha.
  5. Less than the power of one minus Beta.

Answer(s): A



A 1-Sample t-test is used when you want to compare the Median of one distribution to a target value.

  1. True
  2. False

Answer(s): B



When a Belt is analyzing sample data she should keep in mind that 95% of Normally Distributed data is within +/- 2 Standard Deviations from the Mean.

  1. True
  2. False

Answer(s): A



The Standard Deviation for the distribution of Means is called the ___________ and approaches zero as the sample size reaches 30.

  1. Standard Error
  2. Mean Deviation
  3. Mean Spread
  4. Mean Error

Answer(s): A



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Blue Walker commented on November 22, 2015
Purchased study materials, hopefully they will aid in my exam prep. I will update after sitting the exam.
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