Calculating Confidence Intervals
Order Instructions
Unit 5 Assessment – Calculating Confidence Intervals
In this assignment, you will calculate confidence intervals for the quantitative variables in the Heart Rate Dataset.
Steps
Open the Heart Rate Excel Data Set and identify the quantitative variables
Make sure the data is sorted by category (e.g.male-at-rest, female at-rest, etc.)
Use the Data Analysis tools of Excel to construct 95% and 99% confidence intervals for all 8 categories of the sorted quantitative variables. Excel will calculate the margin of error given as the “confidence interval” in the output. Use this margin of error to create your 8 confidence intervals by both adding and subtracting it from the sample mean (calculated in unit 3). This creates a range of values that is the confidence interval.
Create a Word document, and use your calculated results to explain what the confidence intervals tell us. What do these confidence intervals tell us about our heart rate data? How would you interpret the 95% and 99% intervals for resting heart rate?
Compare the 99% and 95% intervals and explain why one is larger than the other even though we use the same sample mean value.
Additional Instructions:
Your assignment should be typed into a Word or other word processing document, formatted in APA style. The assignments must include
Running head
A title page with
Assignment name
Your name
Professor’s name
Course
Estimated time to complete: 3 hours
Assignment Files
Heart Rate Data Set
Rubric
MA320 Unit 5 Assessment
MA320 Unit 5 Assessment
Criteria Ratings Pts
This criterion is linked to a Learning OutcomeContent
MA320-CO2; MA320-CO3
25 pts
Level 5
Expresses content knowledge with the assignment purpose in a complete, organized, clear, professional, and culturally respectful manner.
22.5 pts
Level 4
Expresses content knowledge with the assignment purpose in a complete, organized, clear, professional, and culturally respectful manner with minor weaknesses in one or more of the areas.
20 pts
Level 3
Partially expresses content knowledge with the assignment purpose. Expresses ideas in a complete, organized, clear, professional, and culturally respectful manner with weaknesses in these area.
17.5 pts
Level 2
Partially expresses content knowledge with the assignment purpose. Ideas are partially expressed in an organized, professional, and culturally respectful manner with major weaknesses in these areas.
15 pts
Level 1
Expresses limited content knowledge with the assignment purpose. Ideas are not expressed in a complete, organized, clear, professional, and/or culturally respectful manner.
0 pts
Level 0
The assignment was not completed or there are no constructed concepts that demonstrate analytically skills and no evidences to support the content does not align to the assignment instructions
25 pts
This criterion is linked to a Learning OutcomeAnalysis
30 pts
Level 5
Constructs concepts related to course content, demonstrating strong analytical skills with strong evidence to support professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
27.5 pts
Level 4
Constructs concepts related to course content, demonstrating strong analytical skills with evidence to support professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
25 pts
Level 3
Constructs concepts related to course content, demonstrating analytical skills with some evidence to support professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
22.5 pts
Level 2
Constructs concepts related to course content, demonstrating weak analytical skills with minimal evidence to support professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
20 pts
Level 1
Constructs concepts related to course content, demonstrating inadequate evidence of analytical skills. There is minimal or no evidence to support professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
0 pts
Level 0
The assignment was not completed or there was no evidence of constructed concepts that are supported by professional and personal subject knowledge through details, supporting evidence, and idea differentiation.
30 pts
This criterion is linked to a Learning OutcomeTechnology
10 pts
Level 5
Manipulates multiple technological resources to effectively implement all assignment requirements.
9 pts
Level 4
Manipulates multiple technological resources to effectively implement most assignment requirements.
8 pts
Level 3
Manipulates multiple technological resources to effectively implement some assignment requirements.
6 pts
Level 2
Manipulates multiple technological resources for some assignment requirements.
4 pts
Level 1
Manipulates technological resources to minimally meet some assignment requirements.
0 pts
Level 0
The assignment was not completed or difficulties with technological manipulation were evident. The assignment submitted does not meet requriements.
10 pts
This criterion is linked to a Learning OutcomeWriting
5 pts
Level 5
The assignment exhibits a excellent command of written English language conventions. The assignment has no errors in mechanics, grammar, or spelling.
4.5 pts
Level 4
The assignment exhibits a good command of written English language conventions. The assignment has no errors in mechanics, or spelling with minor grammatical errors that impair the flow of communication.
4 pts
Level 3
The assignment exhibits a basic command of written English language conventions. The assignment has minor errors in mechanics, grammar, or spelling that impact the flow of communication
3.5 pts
Level 2
The assignment exhibits a limited command of written English language conventions. The assignment has frequent errors in mechanics, grammar, or spelling that impede the flow of communication.
3 pts
Level 1
The assignment exhibits little command of written English language conventions. The assignment has errors in mechanics, grammar, or spelling that cause the reader to stop and reread parts of the writing to discern meaning.
0 pts
Level 0
The assignment does not demonstrate command of written English language conventions. The assignment has multiple errors in mechanics, grammar, or spelling that cause the reader difficulty discerning the meaning.
5 pts
This criterion is linked to a Learning OutcomeAPA
5 pts
Level 5
In-text citations of sources and references in proper APA style are included with no errors.
4.5 pts
Level 4
In-text citations of sources and references in proper APA style are included but have 1-2 minor APA errors.
4 pts
Level 3
In-text citations of sources and references in proper APA style are included but have 3 – 4 minor APA errors.
3.5 pts
Level 2
In-text citations of sources and references in proper APA style are included but have more than 4 errors.
3 pts
Level 1
The errors demonstrate limited understanding of in-text citation and reference requirements
0 pts
Level 0
There are no in-text citations AND/OR references.
5 pts
Total Points: 75
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