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Descriptive & Inferential Statistics in Research

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What are descriptive statistics? What are inferential statistics? How are each used in quantitative studies?

What different types of variables are used in quantitative studies? Describe each type of variable and how they differ.

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OTA 105878/Xenia Jones

Descriptive & Inferential Statistics

In quantitative studies, statistical studies are often relied upon to present measurable data relevant to the subject of study in order to seek out patterns and prove or disprove hypothesis and assumptions. Descriptive statistics describes a grouping or collection of data in quantitative terms. Its aim in such groupings is to quantitatively summarize data sets. This is its main difference with inferential or inductive statistics. Inferential statistics are used to support assumptions or certain arguments built up by quantitative statistical facts about a certain population set. Summarized data sets from descriptive analysis are formally analysed and then presented as a 'whole' and are said to be able to stand scrutiny on their own without the need for additional inductive statistical data. When studying groups for example, each groups are taken as 'unique' and differ greatly from each other which is seen as ...

Solution Summary

The solution is a concise 682-word narrative that explains and differentiates descriptive and inferential statistics and their importance and usage in quantitative research. Variables/data types in quantitative research is also listed and defined to show their application.

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Descriptive and Inferential Statistics: Consulting Firms

See attached files.

1. Differentiating Descriptive and Inferential Statistics

Resource: Iwamoto.Crews.Coe Virtual Organization portal

Access the ICC.zip file and select the Iwamoto.Crews.Coe consulting firm. Various companies have hired the firm to handle matters of organizational development, professional growth, and marketing. Go to the Iwamoto.Crews.Coe intranet site and review the following business problems:

o Organizational Development
Benedek Medical Technologies, Inc. - Knowledge Test Design
Haynes Medical Distribution - Employee Retention
Riordan Manufacturing - Leadership Traits

o Professional Growth
Loehr Equipment Co. - E-Learning Study

Review the information provided in the description of each business problem and identify which of the problems an Industrial / Organizational Psychologist would want to use descriptive statistics and which of the problems he/she would want to use inferential statistics.

Provide a paper that discusses the following:

o How descriptive statistics differ from inferential statistics and when it is appropriate to use each
o Key similarities and differences among the four business problems and how these similarities and differences influenced your decisions regarding the use of descriptive and inferential statistics

Submit the paper as a Microsoft Word attachment to your Individual forum.

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