MAT 300 – Assignments and Rubrics
© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information
and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of
Strayer University.
MAT 300 Faculty Version 1144 (1261 3-24-2014) Page 18 of 22
Assignment 1: Statistical Analysis Project
Due Week 10 and worth 140 points
For this project, you need to create your own research question to conduct a hypothesis test. In doing so,
you will need to find your own data by collecting the data yourself. You will need to provide to your
instructor through Blackboard your research question and plans to collect your data by the end of Week
4.
Write a two to three (2-3) page report in which you:
1. Calculate the mean, median, and standard deviation for the key variable.
2. Construct a 95% Confidence Interval for the key variable.
3. Conduct a hypothesis test to verify if your research claim is supported. Clearly state the logic of
your test, the calculations, and the conclusion of your test.
4. Provide the following discussion based on the conclusion of your test:
a. If you conclude that your claim is supported, speculate on three (3) reasons why the null
hypothesis is not true.
Or
b. If you conclude that the claim is not supported or justified, provide a detailed explanation
to why such a claim might have been made.
Your assignment must follow these formatting requirements:
• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all
sides. No citations and references are required, but if you use them, they must follow APA
format. Check with your professor for any additional instructions.
• Include a cover page containing the title of the assignment, the student’s name, the professor’s
name, the course title, and the date. The cover page and the reference page are not included in
the required assignment page length
The specific course learning outcomes associated with this assignment are:
• Calculate measurements of central tendency and dispersal.
• Determine confidence intervals for data.
• Describe the vocabulary and principles of hypothesis testing.
• Discuss application of course content to professional contexts.
• Use technological tools to solve problems in statistics.
• Write clearly and concisely about statistics using proper writing mechanics.
Grading for this assignment will be based on answer quality, logic / organization of the paper, and
language and writing skills, using the following rubric.
Points: 140 Assignment 1: Statistical Analysis Project
Criteria
Unacceptable
Below 60% F
Meets
Minimum
Expectations
60-69% D
Fair
70-79% C
Proficient
80-89% B
Exemplary
90-100% A
1. Calculate the mean,
median, and standard
deviation for the key
variable.
Did not submit or
incompletely
calculated the
mean, median,
Insufficiently
calculated the
mean, median,
and standard
Partially
calculated the
mean, median,
and standard
Satisfactorily
calculated the
mean, median,
and standard
Thoroughly
calculated the
mean, median,
and standard
MAT 300 – Assignments and Rubrics
© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information
and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of
Strayer University.
MAT 300 Faculty Version 1144 (1261 3-24-2014) Page 19 of 22
Weight: 20% and standard
deviation for the
key variable.
deviation for
the key
variable.
deviation for
the key
variable.
deviation for
the key
variable.
deviation for
the key
variable.
2. Construct a 95%
Confidence Interval for
the key variable
Weight: 25%
Did not submit or
incompletely
constructed a
95% Confidence
Interval for the
key variable.
Insufficiently
constructed a
95%
Confidence
Interval for the
key variable.
Partially
constructed a
95%
Confidence
Interval for the
key variable.
Satisfactorily
constructed a
95%
Confidence
Interval for the
key variable.
Thoroughly
constructed a
95%
Confidence
Interval for the
key variable.
3. Conduct a
hypothesis test to
verify if your claim is
supported. Clearly
state the logic of your
test, the calculations,
and the conclusion of
your test.
Weight: 30%
Did not submit or
incompletely
conducted a
hypothesis test to
verify if your
claim is
supported. Did
not submit or
incompletely
stated the logic of
your test, the
calculations, and
the conclusion of
your test.
Insufficiently
conducted a
hypothesis test
to verify if your
claim is
supported.
Insufficiently
stated the logic
of your test, the
calculations,
and the
conclusion of
your test.
Partially
conducted a
hypothesis test
to verify if your
claim is
supported.
Partially stated
the logic of your
test, the
calculations,
and the
conclusion of
your test.
Satisfactorily
conducted a
hypothesis test
to verify if your
claim is
supported.
Satisfactorily
stated the logic
of your test,
the
calculations,
and the
conclusion of
your test.
Thoroughly
conducted a
hypothesis test
to verify if your
claim is
supported.
Thoroughly
stated the logic
of your test,
the
calculations,
and the
conclusion of
your test.
4a. If you conclude that
your claim is not
supported, speculate
on three (3) reasons
why the null hypothesis
is not true.
Or
4b. If you conclude that
your claim is not
supported or justified,
provide a detailed
explanation to why
such a claim might
have been made.
Weight: 15%
Did not submit or
incompletely
speculated on
three (3) possible
reasons.
Or
Did not submit or
incompletely
provided a
detailed
explanation to
why such a claim
might have been
made.
Insufficiently
speculated on
three (3)
possible
reasons.
Or
Insufficiently
provided a
detailed
explanation to
why such a
claim might
have been
made.
Partially
speculated on
three (3)
possible
reasons.
Or
Partially
provided a
detailed
explanation to
why such a
claim might
have been
made.
Satisfactorily
speculated on
three (3)
possible
reasons.
Or
Satisfactorily
provided a
detailed
explanation to
why such a
claim might
have been
made.
Thoroughly
speculated on
three (3)
possible
reasons.
Or
Thoroughly
provided a
detailed
explanation to
why such a
claim might
have been
made.
5. Writing / Support for
ideas
Weight: 5%
Never uses
reasons and
evidence that
logically support
ideas.
Rarely uses
reasons and
evidence that
logically
support ideas.
Partially uses
reasons and
evidence that
logically
support ideas.
Mostly uses
reasons and
evidence that
logically
support ideas.
Consistently
uses reasons
and evidence
that logically
support ideas.
6. Writing / Grammar
and mechanics
Weight: 5%
Serious and
persistent errors
in grammar,
spelling, and
punctuation.
Numerous
errors in
grammar,
spelling, and
punctuation.
Partially free of
errors in
grammar,
spelling, and
punctuation.
Mostly free of
errors in
grammar,
spelling, and
punctuation.
Free of errors
in grammar,
spelling, and
punctuation.