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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.

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