Mod 2 – SLP:
BASIC STATISTICAL MEASURES
- The following data were collected from 10 individuals:
Age
Number of past jobs
Current job status
Income
25
1
employed
30,000
34
2
unemployed
40,000
29
2
employed
40,200
38
2
unemployed
45,000
44
1
employed
52,000
49
4
unemployed
25,000
55
4
employed
80,000
23
3
unemployed
120,000
44
2
employed
120,000
44
3
unemployed
38,000
- Calculate the mean, median, and mode for “Age” (with SPSS).
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Calculate measures of dispersion for “Age” (with SPSS).
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Calculate Skewness and Kurtosis for “Income” (with SPSS). Is this variable skewed? If so, what kind of skew?
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Prepare a frequency distribution for the data of “number of past jobs.” Plot it (bar chart).
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Given the provided income distribution (and assuming normality), what would be the z-score for someone who earns $40,000/year? $100,000/year?
SLP Assignment Expectations
- Answer all questions with clarity and depth. Show your critical thinking ability.
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Show necessary reasoning.
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You do not need to write an essay for SLP assignment; answering the questions is sufficient.
My Note: ( need 3 Pages ) . ( Need sources and References ) (APA)
Module 2 – Outcomes
BASIC STATISTICAL MEASURES
· Module
· Identify and understand measures related to variable distributions.
· Identify basic measures of central tendency and variability in data and choose appropriate summary statistics depending on the nature of the data.
· Understand the normal distribution and its uses.
· Case
· Understand the various attributes of variable distributions, and the implications of these attributes for research.
· Understand the selection of measures and the basic concepts associated with the normal distribution.
· SLP
· Understand key concepts related to and measures of central tendency and dispersion, measure selection, and the normal distribution.
· Discussion
· Develop critical thinking regarding variables and their distributions.
Required Reading
On measures of central tendency:
- Dietz, D., Barr, C. D., & Çetinkaya-Rundel, M. (2016). OpenIntro statistics, 3rd ed. (The textbook is available under a Creative Commons license. Visit openintro.org for a free PDF, to download the textbook’s sources, or for more information about the license.) https://www.openintro.org/stat/textbook.php?stat_book=os Chapters 2, 3, and 4.
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http://www.rci.rutgers.edu/~japhill/ho3s04.pdf
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Watch: http://www.youtube.com/watch?v=E4HAYd0QnRc
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Watch: http://www.youtube.com/watch?v=RAekTsenqPI
On the Normal distribution
- https://www3.nd.edu/~rwilliam/stats1/x21.pdf
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http://www.dummies.com/how-to/content/understanding-the-statistical-properties-of-the-no.html
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http://www.dummies.com/how-to/content/how-to-find-a-percentile-for-a-normal-distribution.html
Optional Reading