Types Of Descriptive Statistics for Summarizing the Data

Types Of Descriptive Statistics for Summarizing the Data

Instructions: 

Types Of Descriptive Statistics for Summarizing the Data

For the Week 4 paper, I thought going through the sections of the assignment would be best for explaining expectations.

Identify the types of descriptive statistics that might be best for summarizing the data, if you were to collect a sample.

In your Week 3 paper, you needed to identify data that you would collect for your research problem. For this Week 4 paper, you need to explain what descriptive statistics would be used in your analysis. As noted in feedback on the Week 2 paper, the results of a descriptive statistics analysis are presented in both the text, in a summary table, and possibly in a chart or graphic.  To meet this requirement, think about what descriptive statistics would be used in your analysis. What measures of central tendency (mean, median, or mode) would be appropriate? What measures of variability?  Would measures of shape (skew, kurtosis) be relevant?

Apply the types of inferential statistics that might be best for analyzing the data, if you were to collect a sample.

In the real world, you would discuss what statistical test should be used to analyze your research problem,  For example, if you wished to determine if production is higher for the afternoon or night shift, a two sample t test would be used.  However, hypothesis testing (C9-C11 in Jaggia & Kelly) is not assigned for this class.  Since you do not learn how to do this type of basic statistical analysis, this requirement does not make a great deal of sense. You might explain how probability – empirical probability,z scores, or a discrete probability distribution  – could be used for your analysis, which might be placed with the following sections.

Analyze the role probability or trend analysis might play in helping address the business problem.

Analyze the role that linear regression for trend analysis might play in helping address the business problem.

Analyze the role that a time series might play in helping address the business problem.

What choice you make depends on the data you have. Your feedback on your Week 3 paper will help you identify the likely type of data.  If you planned to collect cross-sectional data, you may be able to use a simple or multiple regression analysis.  If you have planned to collect time series data (by year, quarter, month, week, day), a trend analysis is possible. Both methods involve regression analysis, but there is a ‘trick’ to using simple linear regression with time series analysis. (A post is forthcoming.)   Please discuss this subject – how to use regression analysis –  in class this week.

RUBRIC
Excellent Quality 95-100%	Introduction 45-41 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.		Literature Support 91-84  points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.			Methodology 58-53 points Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score 50-85%	40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.		83-76  points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.			52-49  points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality 0-45%	37-1 points The background and/or significance are missing. No search history information is provided.		75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.			48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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