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MTH 233 ALL DQS AND ASSIGNMENTS
MTH 233 Week 1 Individual Assignment Statistical Symbols and Definitions Worksheet
Complete the University Material: Statistical Symbols and Definitions worksheet located on your student
MTH 233 Week 1 DQs 1 , 2 , 3 and 4
MTH 233 Week 1 DQ 1
What is the importance of statistics in your work or schooling? How do you use statistics? How are you a
MTH 233 Week 1 DQ 2
What is the difference between a sample statistic and a population parameter? Provide an example of
MTH 233 Week 1 DQ 3
What level of measurement is your year in college (freshman, sophomore, junior, senior)? Your political
MTH 233 Week 1 DQ 4
What is the purpose of using a histogram? Provide two new examples of when one might be used.
MTH 233 Week 2 DQ 1
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 Team Assignment Project Progress (2 Different Papers)
Post your Learning Team Charter in the Learning Team Forum.
MTH 233 Week 3 DQs 1 ,2 ,3 and 4
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
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
MTH 233 Week 4 Team Assignment Hypothesis Testing Paper and Presentation (Two Projects)
Select a research issue, problem, or opportunity facing a Learning Team member’s 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.
Formulate a hypothesis statement and perform the five-step hypothesis testing procedure on the
data identified above.
Describe the results of the tests.
Interpret the results of your hypothesis test, state any limitations of the analysis, and describe the
significance of the results to the organization. Be sure to attach the results of the hypothesis
test output created in Microsoft® Excel® to your paper.
Prepare a 10- to 12-slide Microsoft® PowerPoint® presentation that could be used to persuade an
audience to a particular course of action around your chosen issue, problem, or opportunity, based on
results of your hypothesis test.
Format your paper and presentation consistent with APA guidelines.
Deliver your presentation.
For Local Campus students, these are 5-10 minute oral presentations accompanied by
For Online and Directed Study students, these are PowerPoint® presentations with detailed speaker
MTH 233 Week 4 DQs 1 , 2 , 3 and 4
In two-sample testing, when is it appropriate to use a t test versus a z test?
MTH 233 Week 4 DQ 2
What are the criteria for using a t test for independent and dependent samples?
MTH 233 Week 4 DQ 3
What are the assumptions in ANOVA? Which assumption is most important? Why?
MTH 233 Week 4 DQ 4
What are the criteria for using one-way ANOVA versus two-way ANOVA? Which criteria do you find most
difficult to identify? Why?
MTH 233 Week 5 DQ 1 , 2 , 3 and 4
MTH 233 Week 5 DQ 1
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?
MTH 233 Week 5 DQ 2
In what scenario might you use a chi-square test? What criteria do you need to use a chi-square test?
MTH 233 Week 5 DQ 3
What is the difference between observed and expected frequencies? Illustrate with a new example.