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Unit 2 Discussion 1 Using Descriptive Statistics
For this discussion:
• 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.
Unit 2 Study 1- Readings
Use your Warner text, Applied Statistics: From Bivariate Through Multivariate Techniques , to complete
the following:
• 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.
SOE Learners – Suggested Readings
Young, J. R., Young, J. L., & Hamilton, C. (2014). The use of confidence intervals as a meta-analytic lens to
summarize the effects of teacher education technology courses on preservice teacher TPACK. Journal
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