Complete the University Material Statistical Symbols and Definitions worksheet located on your student website.
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MTH 233 Week 2 DQ 1(New)
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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?
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MTH 233 Week 2 DQ 2(New)
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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.
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MTH 233 Week 2 DQ 3(New)
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How meaningful is the range of a data set?
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MTH 233 Week 2 DQ 4(New)
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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.
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MTH 233 Week 3 DQ 1(New)
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What are the five steps used in hypothesis testing? How do you decide on an alpha
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MTH 233 Week 3 DQ 2(New)
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What is the difference between a critical value and a test statistic? How do you decide which test statistic to use?
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MTH 233 Week 3 DQ 3(New)
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When is it appropriate to use a one-tailed test versus a two-tailed test? Does direction of the test affect statistical significance? Explain
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MTH 233 Week 3 DQ 4(New)
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What are degrees of freedom? Illustrate with one new example
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MTH 233 Week 3 Team Assignment Project Progress (2 Different Papers) (New)
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Post your Learning Team Charter in the Learning Team Forum.
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MTH 233 Week 4 DQ 1(New)
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In two-sample testing, when is it appropriate to use a t test versus a z test?
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MTH 233 Week 4 DQ 2(New)
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What are the criteria for using a t test for independent and dependent samples?
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MTH 233 Week 4 DQ 3(New)
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What are the assumptions in ANOVA? Which assumption is most important? Why?
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MTH 233 Week 4 DQ 4(New)
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What are the criteria for using one-way ANOVA versus two-way ANOVA? Which criteria do you find most difficult to identify? Why?
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MTH 233 Week 4 Team Assignment Hypothesis Testing Paper and Presentation (Two Projects) (New)
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Select a research issue, problem, or opportunity facing a Learning Team members organization that could benefit from hypothesis testing.
Write a 1,050- to 1,750-word paper describing a hypothesis test to perform on that data using a one or two-sample z test or a one or two sample t test. You may use one- or two-tailed tests. You may use Microsoft Excel to perform your hypothesis test.
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MTH 233 Week 5 DQ 1(New)
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What is the difference between a parametric and nonparametric test? What are the advantages and disadvantages of a parametric test and of a nonparametric test?
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MTH 233 Week 5 DQ 2(New)
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In what scenario might you use a chi-square test? What criteria do you need to use
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MTH 233 Week 5 DQ 3(New)
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What is the difference between observed and expected frequencies? Illustrate with a new example.
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