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Data Analysis. For this discussion, you will organize data sets into meaningful number groupings, calculate basic descriptive values, and communicate written critiques of statistical analyses.
This exercise requires the use of a descriptive statistics calculator. You can find this tool in some versions of Excel (as part of the Analysis ToolPak) or you can use one of the many free online descriptive calculators such as the Descriptive Statistics Calculator by Calculator Soup.
To begin, come up with 20 different data points (that will form a set of data) and enter them into the first column of an Excel spreadsheet. The data points can be any numbers you want as long as there are 20 of them.
You will then use the descriptive statistics option in your descriptive statistics program or calculator. This is explained in Chapter 1 of your course text. You should get an output similar to the image in Figure 1.1.
This output must contain the following values: mean, standard error, median, mode, standard deviation, sample variance, kurtosis, skewness, range, minimum, maximum, sum, and count. Address the following points in your initial post:
• Begin your discussion by reporting your results for each of the values listed above.
• Based on this output, which single value best describes this set of data and why?
• If you could pick three of these values instead of only one, which three would you choose and why?
It is important to note that the answers to these questions may be different for each of you since you are each using unique sets of data.
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ChiSquare. The purpose of this discussion is to allow you to consider how various non parametric tests are used and how they compare to other tests with similar variables. To do this, you will need to identify the appropriate application of coursespecified statistical tests, examine assumption..

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Focus of the Final Exam
The purpose of the Final Exam is to assess your understanding of the main statistical concepts covered in this course and to evaluate your ability to critically review a quantitative research article. Th..

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Correlation. In this post, you will be challenged to look at how statistical tests, such as correlation are commonly used and the possible limitations of such analyses. In addition, you will need to identify the appropriate application of coursespecified statistical tests, examine assumptions an..

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PSY 325 Week 4 Quiz Set 1
1. Question : If a correlation is +.90 or greater, we can assume that a causal relationship exi..

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Research Report. Write a research report based on a hypothetical research study. Conducting research and writing a report is common practice for many students and practitioners in any of the behavioral sciences fields.
A resear..

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ANOVA. In this discussion, you will evaluate a research question and determine how that question might best be analyzed. To do this, you will need to identify the appropriate application of course specified statistical tests, examine assumptions and limitations of course specified statistical tes..

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PSY 325 Week 3 Quiz Set 1
1. Question : How are mean square values determined?
2. Question : The w..

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ANOVA Article Critique. Read the article "Cognitive Effects of Risperidone in Children with Autism and Irritable Behavior", and identify the research questions and/or hypotheses as they are stated. Consider the following ..

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PSY 325 Week 2 Quiz Set 1
1. Question : The table value z = .70 is .2580. The z = .70 value occurs at what equivalent percentile?
2. Questio..

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Standard Normal Distribution. For this discussion, identify the appropriate application of standardized scores to reflect on their benefits and to interpret how test scores and measures are commonly presented.
Review Chapter 3 of your course text, which introduces probability and the standard..

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Inferential Statistics Article Critique. Read the article “Differential Effects of a Body Image Exposure Session on Smoking Urge Between Physically Active and Sedentary Female Smokers,” and identify the research questions and/or hy..

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PSY 325 Week 1 Quiz Set 1
1. Question : Frequency polygon is to line graph as _________ is to bar graph.
2. Question : &nbs..

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Descriptive Statistics Article Critique. Read the article, “Do Men with Excessive Alcohol Consumption and Social Stability Have an Addictive Personality?” and identify the research questions and/or hypotheses as they are state..

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PSY 325 Week 1 Assignment Descriptive Article Critique (Men Alcohol and Personality) (2 Papers)
PSY 325 Week 1 DQ 1 Data Analysis
PSY 325 Week 1 Quiz (2 Set)
PSY 325 Week 2 Assignment Infer..
