Ashford BUS308 Week 5 Quiz Latest 2020 September
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

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