Use appropriate statistical data to describe a distribution. Create an appropriate graph to compare a quantitative variable grouped by a categorical variable.

Progress Check

Use this activity to assess whether you can:

Use appropriate statistical data to describe a distribution.

Create an appropriate graph to compare a quantitative variable grouped by a categorical variable.

Recognize quartiles as the markers between four equally-sized groups within a distribution of data.

Describe the distribution of a quantitative variable grouped by a categorical variable using percentages and descriptions of center and spread to make comparisons.

Draw conclusions about the relationship between variables within the context of a given situation.

Directions

WARNING: The directions for Unit Projects differ from the directions for homework and lab assignments.

Use the drop-down menu to learn about the four steps needed to complete this assignment.

Four steps to complete the assignment

STEP 1: REVIEW THE RUBRIC

Before you submit your work, review the rubric at the bottom of this assignment.

Use the rubric as a checklist to determine whether you are ready to submit your work.

STEP 2: FIRST DRAFT

Commit a good-faith effort to address each item in the Prompt section below.

Please be sure to number your responses and include “white space” between problem numbers. This improves the readability and flow of your work. I cannot give feedback and grade jumbled work.

Use either of the following options to submit your work.

OPTION 1: You can submit a text-entry assignment (i.e. typing your answers in Canvas). To learn how to submit a text-entry assignment, use these directions (opens in a new tab).

OPTION 2: You can upload your paper-and-pencil work (or the digital equivalent). To learn how to upload your paper-and-pencil work, use these directions (opens in a new tab). WARNING – some file types may not be visible on my end. So to learn which files you can upload, be sure to use the directions link I provided for this option.

Not ready to submit a good-faith effort yet? Avoid frustration – use the link to the Questions, Answers, & Tips discussion board (at the bottom of this page) to post questions about this assignment (or visit the discussion board to answer your classmates’ questions). You can also contact me directly (see the homepage for my contact information).

STEP 3: PEEK-A-BOO REVIEW

Peer reviews are not required for Unit Projects. However, the peer review feature in Canvas is active for this project. Why? As long as you commit a good-faith effort on your first submission, you can use the peer review feature to take a peek at (and possibly learn from) your classmate’s work. Here’s how.

Return to this assignment after the first draft is due.

Under Assigned Peer Reviews you will see a list of names.

Click on a name in the list to take a peek at your classmate’s work.

If you notice that your peer has left something out or made a mistake, feel free to help your peer out and leave a comment. Or feel free to post a question for your peer. But if you prefer to learn from your peers’ work and move on without leaving a comment, you can do that as well.

After the due date, if you cannot see any names in the list, perhaps the “peek-a-boo” reviews were automatically generated before you submitted the assignment. You can send a message to me in Canvas to let me know that there are no names in the Assigned Peer Reviews list, and I will add names to your list. But please include this assignment’s name in the message!

STEP 4: WRITE YOUR SELF-EVALUATION & SUBMIT YOUR FINAL DRAFT

Write a high-quality self-evaluation of your work.

Submit your final draft and include the following.

First or last paragraph: Include your self-evaluation as the first or the last paragraph in your final draft.

Remaining paragraph(s): Write a complete final draft. I will only grade your most recent submission, so please do not leave anything out, and please do not direct me to read an earlier submission.

Not ready to write your final draft yet: Avoid frustration – get help. Use your self-evaluation and your peers’ feedback to identify which concepts or skills you need help with. Then use the link to the “Questions, Answers, & Tips” discussion board (bottom of this page) to seek help.

Data

From this point forward, all links in this assignment open in a new tab.

Login and open StatCrunch (directions).

Open your IAT sample data set in StatCrunch (directions).

Variables

Important: To learn which variables you need to use in this project, open the drop-down menu by selecting the triangle under the title for your chosen data set.

GENDER-CAREER IAT VARIABLE DESCRIPTIONS

Open for the Gender-Career variables

GENDER-SCIENCE IAT VARIABLE DESCRIPTIONS

Open for the Gender-Science variables

RACE IAT VARIABLE DESCRIPTIONS

Open for the Race variables

SEXUALITY IAT VARIABLE DESCRIPTIONS

Open for the Sexuality variables

WEAPONS IAT VARIABLE DESCRIPTIONS

Open for the Weapons variables

WEIGHT IAT VARIABLE DESCRIPTIONS

Open for the weight variables

Prompt

(Since this is your first unit project, here’s a little hint. The Unit 3 Project is very similar to the “Module 9: Comparing Boxplots Lab” assignment, In fact, every unit project is very similar to at least one – and often more than one – “homework” or “lab” assignment from that unit.)

To respond to the following items, use the quantitative variable and just one of the categorical variables listed above. You choose which categorical variable from the list above you want to analyze.

Use concepts from Unit 3 to describe the distribution of the quantitative variable grouped by the categorical variable. Then make comparisons and draw conclusions.

Make an appropriate graph and provide appropriate numerical summaries.

Embed your StatCrunch graph in your response, and be sure to include the Alt Text. Complete each of the following to make the graph more meaningful to the reader.

Include a meaningful title above your graph.

Underneath your graph, describe the variables represented in the graph.

Below your graph, provide a key for the numerical category labels in your graph. Hint: see the category descriptions for your categorical variable in the variable descriptions list for your IAT data set above.

Copy and paste the StatCrunch table of numerical summaries into your response.

To make it easier for the reader to understand your table, replace any numerical category labels with meaningful words. Hint: see the category descriptions for your categorical variable in the variable descriptions list for your IAT data set above.

Choose two or three groups of the categorical variable that are most interesting to compare. Then use percentages and descriptions of center and spread to make comparisons. What do the data suggest? For example, is a particular group from the categorical variable more likely to have a higher/lower IAT score?

Use the data to support your answer.

Interpret the result in context. Hint: to learn how to interpret the IAT score, see the variable descriptions link for your IAT data set (included in the Variables section above).

StatCrunch Directions

Here is a PDF document with all StatCrunch directionsLinks to an external site..

Requirements: 1 day

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