Ashford BUS308 2020 September Week 5 Quiz Latest

BUS308 Statistics for Managers

Week 5 Quiz  

Question 1The probability that the actual population mean will be outside of a 98% confidence interval is

  1%

  2%

  4%

  5%

 Question 2All statistically significant outcomes have practical significance for decision makers.

  True

  False

 Question 3The percent confidence interval is the range having the percent probability of containing the actual population parameter.

  True

  False

 Question 4One use of the effect size measure is to help us understand why the null hypothesis was not rejected.

  True

  False

 Question 5The Effect Size measure provides no real practical value in interpreting statistical test outcomes when rejecting the null hypothesis.

  True

  False

 Question 6The values defining a large, medium, and small effect are similar across all effect size measures.

  True

  False

 Question 7For a one sample confidence interval, the interval is calculated around the calculated sample mean.

  True

  False

 Question 8One use of the effect size measure is to help us understand why the null hypothesis was rejected.

  True

  False

 Question 9A “small” sample size value means

  the null hypothesis rejection was most likely due to the sample size.

  the null hypothesis rejection was most likely due to the variables

  the rejection of the null hypothesis demonstrates practical significance.

  None of these.

 Question 10A small effect size result would argue against using the results of a test that found a statistically significant difference in any decision making.

  True

  False