No school name Psychology Question – Description
Unit 5: Assignment #3 (due before 11:59 pm Central on WED JUL 5):
To reinforce the skills you’ve learned previously, you will now create a Frequency Distribution Table and a Histogram for the final grades from Course A using the Final Grade Data Set.
First, open the spreadsheet you saved as YourLastName_PSY-210_Unit05_FinalGradeData.
Second, create a Frequency Distribution Table for final grades in Course A.
Use ranges of 5%, starting with the range 61% to 65% and ending with the range 96% to 100% (e.g., 61% to 65%, 66% to 70%, 71% to 75%, and so forth). Therefore, your first range will be 61% to 65%, and your last range will be 96% to 100%.
Your Course A Frequency Distribution Table must include the following:
a column for the Minimum range value
a column for the Maximum range value
a column for Absolute Frequency
a total for Absolute Frequency
a column for Relative Frequency
a total for Relative Frequency
Third, create a Histogram for the final grades in Course A.
Again, use ranges of 5%, for your Histogram bins, starting with the range 61% to 65% and ending with the range 96% to 100% (e.g., 61% to 65%, 66% to 70%, 71% to 75%, and so forth). Therefore, your first Histogram bin will be 61% to 65%, and your last Histogram bin will be 96% to 100%.
Your Histogram must include the four major components of a graph:
a Graph Title
Axis Labels
Graph Units
Graph Data
Fourth, after creating your Course A Frequency Distribution Table and Histogram, be sure to save (again) your spreadsheet, which should already be named, YourLastName_PSY-210_Unit05_FinalGradeData
Fifth, take a partial screenshot (not a screenshot of your entire screen) of your Course A Histogram (not your entire screen and not your Frequency Distribution Table, only your Histogram) and save the screenshot with the filename YourLastName_PSY-210_Unit05_CourseA_Histogram_Screenshot.xxx (where xxx is the file type, for example, .jpg, .png, .jpeg, and the like).
Next, create a Frequency Distribution Table and a Histogram for the final grades from Course B using the Final Grade Data Set.
First, open the spreadsheet you saved as YourLastName_PSY-210_Unit05_FinalGradeData.
Second, create a Frequency Distribution Table for the final grades in Course B.
Use ranges of 5%, starting with the range 61% to 65% and ending with the range 96% to 100% (e.g., 61% to 65%, 66% to 70%, 71% to 75%, and so forth). Therefore, your first range will be 61% to 65%, and your last range will be 96% to 100%.
Your Course B Frequency Distribution Table must include the following:
a column for the Minimum range value
a column for the Maximum range value
a column for Absolute Frequency
a total for Absolute Frequency
a column for Relative Frequency
a total for Relative Frequency
Third, create a Histogram for the final grades in Course B.
Again, use ranges of 5%, for your Histogram bins, starting with the range 61% to 65% and ending with the range 96% to 100% (e.g., 61% to 65%, 66% to 70%, 71% to 75%, and so forth). Therefore, your first Histogram bin will be 61% to 65%, and your last Histogram bin will be 96% to 100%.
Your Histogram must include the four major components of a graph:
a Graph Title
Axis Labels
Graph Units
Graph Data
Fourth, to make sure that your Course A Histogram and your Course B Histogram are plotted on the same scale (and, therefore, do not misrepresent the data by distorting the scale), learn how to adjust the y-axis by reading this handout.
Fifth, after creating your Course B Frequency Distribution Table and Histogram, be sure to save (again) your spreadsheet, which should already be named, YourLastName_PSY-210_Unit05_FinalGradeData
Fifth, take a partial screenshot (not a screenshot of your entire screen) of your Course B Histogram (not your entire screen and not your Frequency Distribution Table, only your Histogram) and save the screenshot with the filename YourLastName_PSY-210_Unit05_CourseB_Histogram_Screenshot.xxx (where xxx is the file type, for example, .jpg, .png, .jpeg, and the like).
To learn about the shape of distributions, read Poldrack’s (2020) Chapter 3 “Summarizing Data: Idealized Representations of Distributions.”
After creating your two histograms and reading the Chapter from Poldrack (2020), compare your two histograms to one another, taking notes on the following:
Describe the shape of the distribution: Is it clustered and peaked? Or is it short and elongated?
Describe the variability of each distribution: Are the grades for one course more variable than the other?
Describe what the variability of the final grades means for students in that course. If one course is more variable than the other, what does that mean for students?
Now, imagine you have the option to enroll in either Course A or Course B. Based on what you know about the variability of the final grades in each course, decide which course you would rather enroll in, and why.
Go to the Unit 5: Assignment #3 Discussion Board and make a post in which you:
Embed your two screenshots:
one screenshot of the Histogram for Course A (YourLastName_PSY-210_Unit05_CourseA_Histogram_Screenshot.xxx)
one screenshot of the Histogram for Course B (YourLastName_PSY-210_Unit05_CourseB_Histogram_Screenshot.xxx)
State which course you would rather be a member of (Course A or Course B).
In two to three sentences, explain why you would rather be a member of Course A or Course B by referencing both the shape of the distribution and at least one measure of variability (range, standard deviation, variance).
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