The following are discussion questions . They should only be 250 words each for their response.
1. For this discussion, identify the appropriate application of
standardized scores to reflect on their benefits and to interpret how test
scores and measures are commonly presented.
3 of your course text, which introduces probability and the standard normal
distribution. Examine the assumptions and limitations presented in these
topics and then consider and discuss the following questions:
- When comparing data from
different distributions, what is the benefit of transforming data from
these distributions to conform to the standard
- What role do z-scores
play in this transformation of data from multiple distributions to the
standard normal distribution?
- What is the relationship
between z-scores and percentages?
- In your opinion, does one do a
better job of representing the proportion of the area under the standard
curve? Give an example that illustrates your
In this discussion, you will
evaluate a research question and determine how that question might best be
analyzed. To do this, you will need to identify the appropriate application of course specified statistical tests, examine assumptions and
limitations of course specified statistical tests, and communicate in writing
critiques of statistical tests.
wishes to study the effect of a new drug on blood pressure. Consider and
discuss the following questions as you respond:
- Would you recommend using a z-test,
a t-test, or an ANOVA for the analysis? Explain your answer.
- What would your choice of test
depend on? For the test you select, explain your design and your
- Would the hypothesis be
directional or non-directional?
- Would the test be one-tailed or
- What would be the null and what
would be the alternative hypothesis?