U2d1-64 – discussing descriptive statistics…see details attached

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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