MTH 233
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 statistic?
MTH 233 Week 1 DQ 2
What is the difference between a sample statistic and a population parameter? Provide an example of each.
MTH 233 Week 1 DQ 3
What level of measurement is your year in college (freshman, sophomore, junior, senior)? Your political affiliation? Explain.
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 1 Individual Assignment Statistical Symbols and Definitions Worksheet
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 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.
MTH 233 Week 3 Team Assignment Project Progress (Paper 1)(Paper2)
MTH 233 Week 4 DQ 1
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 4 Team Assignment Hypothesis Testing Paper and Presentation (1) and(2)
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.