Use your Warner text, Applied Statistics: From Bivariate Through Multivariate Techniques,
- Read Chapter 2, “Basic Statistics, Sampling Error, and Confidence Intervals,” pages 41–80. This reading addresses the following topics:
- Sample mean ( M).
- Sum of squared deviations ( SS).
- Sample variance ( s2).
- Sample standard deviation ( s).
- Sample standard error ( SE).
- Confidence intervals (CIs).
- Read Chapter 4, “Preliminary Data Screening” pages 125–184. This reading addresses the following topics:
- Problems in real data.
- Identification of errors and inconsistencies.
- Missing values.
- Data screening for individual variables.
- Data screening for bivariate analysis.
- Data transformations.
- Reporting preliminary data screening.
*********For this DISCUSSION:
Using Descriptive Statistics
- Discuss your previous experience with descriptive statistics. For example, you have probably encountered descriptive statistics in an undergraduate course and in journal articles.
- Analyze the strengths and limitations of descriptive statistics.
- Finally, discuss how you might use descriptive statistics in your professional or academic future.
- Remember to cite your supporting references.
*********For this discussion:
- Define the term confidence interval (CI).
- Specify the use of confidence intervals in statistical analysis.
- Analyze why the Publication Manual of the American Psychological Association strongly recommends the inclusion of confidence intervals in study results.
- APA Style Central provides guidance in using proper APA style. See the APA Style and Format section of the Writing Center for instructions on accessing and using APA Style Central