When might the reported median of data be more appropriate than the mean of data? What is your biggest challenge in deciding which is more appropriate?
MTH 233 Week 2 DQ 2
What is the purpose of finding the mode of data? Provide an example of when the mode is more appropriate than the mean or median of data
MTH 233 Week 2 DQ 3
How meaningful is the range of a data set?
MTH 233 Week 2 DQ 4
When is it more appropriate to use the standard deviation of data rather than the variance of data? Is one a better measure of dispersion than the other? Explain
MTH 233 Week 3 DQ 1
What are the five steps used in hypothesis testing? How do you decide on an alpha significance level?
MTH 233 Week 3 DQ 2
What is the difference between a critical value and a test statistic? How do you decide which test statistic to use?
MTH 233 Week 3 DQ 3
When is it appropriate to use a one-tailed test versus a two-tailed test? Does direction of the test affect statistical significance? Explain
MTH 233 Week 3 DQ 4
What are degrees of freedom? Illustrate with one new example.
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