Week 3: Descriptive Statistics
Imagine you accept accomplished your amount and are gluttonous your abutting abstruse opportunity. You chase assorted websites that accommodate you advice on beggarly and average salaries forth with accepted deviations for job titles you are absorbed in beyond altered geographic locations. But what do these statistics absolutely acquaint you? What is your accessible earning abeyant aural this job title? How do salaries alter beyond altered locations? Where can you accomplish the best money? What percentages of bodies in that job appellation accept the bacon you are attractive for? Anecdotic statistics accommodate you with the answers to these basal questions.
You are apparent to anecdotic statistics every day and in abounding altered ways. As Wheelan (2013) suggested, “descriptive statistics accord us acumen into phenomena that we affliction about” (p. 31). As you accede anecdotic statistics in your circadian life, additionally anticipate about how compassionate these abstracts can actuate you to the abutting akin of developing your ability and accomplishment set in quantitative analysis.
In this week, you will appraise anecdotic statistics to admeasurement axial addiction and variability. You additionally will analyze the after-effects of the abstracts to actuate implications for amusing change.
Learning Objectives
Students will:
Analyze measures of axial tendency
Analyze measures of variability
Analyze implications for absolute amusing change
Analyze anecdotic statistics of absolute data
Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Amusing statistics for a assorted association (8th ed.). Thousand Oaks, CA: Sage Publications.
· Chapter 3, “Measures of Axial Tendency” (pp. 63-93)
· Chapter 4, “Measures of Variability” (pp. 94-127)
Wagner, W. E. (2016). Using IBM® SPSS® statistics for assay methods and amusing science statistics (6th ed.). Thousand Oaks, CA: Sage Publications.
· Chapter 4, “Organization and Presentation of Information”
· Chapter 11, “Editing Output”
Wheelan, C. (2013). Naked statistics: Stripping the alarming from data. New York, NY: W. W. Norton & Company.
For this Discussion, you will appraise axial addiction and airheadedness based on two abstracted variables. You will additionally analyze the implications for absolute amusing change based on the after-effects of the data.
To adapt for this Discussion:
Review this week’s Learning Resources and the Anecdotic Statistics media program.
For additional support, assay the Accomplishment Builder: Visual Displays for Absolute Variables and the Accomplishment Builder: Visual Displays for Connected Variables, which you can acquisition by abyssal aback to your Blackboard Course Home Page. From there, locate the Accomplishment Builder articulation in the larboard aeronautics pane.
Review the Chapter 4 of the Wagner argument and the examples in the SPSS software accompanying to axial addiction and variability.
From the General Amusing Survey dataset begin in this week’s Learning Resources, use the SPSS software and accept one connected and one absolute capricious Note: this dataset will be different from your Assignment dataset).
As you review, accede the implications for absolute amusing change based on the results of your data.
By Day 3
Post, present, and address a anecdotic assay for your variables, accurately acquainted the following:
For your connected variable:
Report the mean, median, and mode.
What ability be the bigger admeasurement for axial tendency? (i.e., mean, median, or mode) and why?
Report the standard deviation.
How variable are the data?
How would you call this data?
What array of assay catechism would this capricious advice acknowledgment that ability acquaint social change?
Post the afterward advice for your absolute variable:
A frequency distribution.
An appropriate admeasurement of variation.
How variable are the data?
How would you call this data?
What array of assay catechism would this capricious advice acknowledgment that ability acquaint social change?
Be abiding to abutment your Main Post and Response Post with advertence to the week’s Learning Resources and alternative bookish affirmation in APA Style.
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