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Probability distribution tools are a powerful weapon when comparing two or more variables to each other. In this assignment, you will learn how to compare two different sampling distributions against each other using standardized normal probability distributions. These tools have many uses, including comparing data between your community and another. 
Upon successful completion of this assignment, you will be able to:

Assess data for normality and evaluate probabilities.

Instructions

Review the rubric to make sure you understand the criteria for earning your grade.
Read chapters VI, and VII, and VIII in the online textbook. Watch the videos and powerpoints that go with each chapter. Use the normal probabilities calculator to compute the answers to c and d below. 
Examine the County Complete database. Pick three variables from the database for your study. Complete the following analysis:

Present at least three graphs that help explain these three variables for the state in which you live.
Determine the mean, median, mode, standard deviation, and variance for the three variables for the counties within the state of your residence.
Assess each of your three variables for normality.
Determine the Z score for each of the three variables for your home county plus two others within the state of your residence, are any of these counties considered extreme outliers?
What is the probability that a randomly selected citizen from the state of your residency will come from a county with a higher mean for each of the three variables you selected?

Write a short report that includes the results of your analysis  Include whatever graphs or statistical output you may have generated in answering these questions along with a short explanation of your analysis.
When you have completed your assignment, submit a copy to your instructor using the Assignment submission page.
The assignment is due by the end of the workshop.

5/21/22, 8:17 PM Preview Rubric: 2.2 Assignment (75 Points) – 3SU2022 Data Analytics & Research (BADM-707-01B) – Indiana Wesleyan University

https://brightspace.indwes.edu/d2l/lp/rubrics/preview.d2l?ou=165060&rubricId=518397&originTool=quicklinks 1/4

2.2 Assignment (75 Points)
Course: 3SU2022 Data Analytics & Research (BADM-707-01B)

Criteria Excellent Competent
Needs
Improvement

Inadequate/Faili
ng

Criterion Score

Comparison of

three variables

/ 20

Statistical

tools

/ 20

20 points

Demonstrated

clear, insightful

critical thinking

in discussing

the similarities

and

differences

between the

three variables.

19 points

(16-19 Points)

Demonstrated

competent

critical thinking

in discussing

the similarities

and

differences

between the

three variables.

15 points

(12-15 Points)

Demonstrated

limited critical

thinking in

discussing the

similarities and

differences

between the

three variables.

11 points

(0-11 Points)

Demonstrated

little to no

critical thinking

in discussing

the similarities

and

differences

between the

three variables.

20 points

Statistical tools

were

constructed

correctly and

strongly

supported the

discussion.

18 points

(16-18 Points)

Statistical tools

were

constructed

correctly and

generally

supported the

discussion.

15 points

(12-15 Points)

Statistical tools

were

constructed

correctly but

did not

support the

discussion.

11 points

(0-11 Points)

Statistical tools

were not

constructed

correctly and

did not

support the

discussion.

5/21/22, 8:17 PM Preview Rubric: 2.2 Assignment (75 Points) – 3SU2022 Data Analytics & Research (BADM-707-01B) – Indiana Wesleyan University

https://brightspace.indwes.edu/d2l/lp/rubrics/preview.d2l?ou=165060&rubricId=518397&originTool=quicklinks 2/4

Criteria Excellent Competent
Needs
Improvement

Inadequate/Faili
ng

Criterion Score

Assessment of

normality, Z

score and

probability

calculation

/ 2020 points

Demonstrated

clear, insightful

critical thinking

in the

assessment of

normality and

determining

the z score and

probability

calculation for

each of the

three variables.

19 points

(16-19 Points)

Demonstrated

competent

critical thinking

in the

assessment of

normality an

determining

the z score and

probability

calculation for

each of the

three variables.

15 points

(12-15 Points)

Demonstrated

limited critical

thinking in the

assessment of

normality an

determining

the z score and

probability

calculation for

each of the

three variables.

11 points

(0-11 Points)

Demonstrated

little to no

critical thinking

in the

assessment of

normality and

determining

the z score and

probability

calculation for

each of the

three

variables..

5/21/22, 8:17 PM Preview Rubric: 2.2 Assignment (75 Points) – 3SU2022 Data Analytics & Research (BADM-707-01B) – Indiana Wesleyan University

https://brightspace.indwes.edu/d2l/lp/rubrics/preview.d2l?ou=165060&rubricId=518397&originTool=quicklinks 3/4

Total / 75

Criteria Excellent Competent
Needs
Improvement

Inadequate/Faili
ng

Criterion Score

Grammar,

Spelling,

Length, and

Citation

/ 1515 points

Sentence

structure is

complete with

correct

spelling,

punctuation,

capitalization,

varied diction,

and word

choices.

Assignment

length is

correct with

sources

correctly cited.

14 points

(12-14 Points)

Sentence

structure has

minor errors

(fragments,

run-ons) with

correct

spelling,

punctuation,

capitalization,

and limited

diction and

word choices.

Assignment

length is

correct with

sources

correctly cited.

11 points

(9-11 Points)

Sentence

structure has

several errors

in sentence

fluency with

multiple

fragments/run-

ons; poor

spelling,

punctuation,

and/or word

choice.

Assignment

length is

inappropriate

with several

format and

citation errors.

8 points

(0-8 Points)

Sentence

structure has

serious and

persistent

errors in

sentence

fluency,

sentence

structure,

spelling,

punctuation,

and/or word

choice.

Assignment

length is

inappropriate

with several

format and

citation errors

or sources not

cited.

5/21/22, 8:17 PM Preview Rubric: 2.2 Assignment (75 Points) – 3SU2022 Data Analytics & Research (BADM-707-01B) – Indiana Wesleyan University

https://brightspace.indwes.edu/d2l/lp/rubrics/preview.d2l?ou=165060&rubricId=518397&originTool=quicklinks 4/4

Overall Score

Excellent
69 points minimum

Competent
61 points minimum

Needs Improvement
54 points minimum

Inadequate/Failin

g
0 points minimumSet at 92% – which is lowest

A.

Set at 82% – which is lowest

B.

Set at 72% – which is lowest

C. Set at 0




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