Statistical Symbols and Definitions worksheet
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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 website.
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 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 2 DQ 1 ,2 , 3 and 4
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 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
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 PowerPoint® presentations.
For Online and Directed Study students, these
are PowerPoint® presentations with detailed speaker notes.
MTH 233 Week 4 DQs 1 , 2 , 3 and 4
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 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
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