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MHEALTH_Quiz_on_Statistics
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MHEALTH Quiz on Statistics
Quiz 5
1. Using the data in MHEALTH which you have from earlier, test the following:
We claim that men’s mean pulse rate equals about 65 beats per minute.
Use alpha = 5%.
a. Test using the Confidence Interval approach. Show some work.
b. Test using the classical Test of Hypothesis approach. Show some work.
c. Test using the p-value approach
2. Using the data in MHEALTH which you have from earlier, test the following:
We claim that more than half of all men have high cholesterol levels, i.e.; above 200 [mg/dL]. In our sample 27 of 40 are considered high by this criterion. Determine if our data supports or refutes the claim. Use alpha = 10%
a Test using the Confidence Interval approach. Show some work.
b Test using the classical Test of Hypothesis approach. Show some work.
c Test using the p-value approach
3. Using the data in MHEALTH which you have from earlier, test the following:
We claim that the variance in systolic blood pressure has changed since this study was done. A recent study ( http://aje.oxfordjournals.org/content/159/12/1168.full.pdf ) gave men’s systolic pressure as about 130 [mg/dL] with a variance of 272.1[mg/dL]2. Specifically we claim that the variance has changed a statistically significant amount. Use alpha = 5%
a Test using the Confidence Interval approach. Show some work.
b Test using the classical Test of Hypothesis approach. Show some work.
c Test using the p-value approach
4. In measuring men’s pulse rate if we are willing to accept no more than 2 beats per minute as our margin of error and we want to work at the 5% level of significance, how many samples should we have taken?
About the Solutions
Solutions are provided (completed filled in document) and also in pdf format!
Question Files
Quiz 5.pdf
Quiz 5.doc
MHEALTH data.pdf
MHEALTH data.xls
Other Details about the Project/Assignment
Subjects
:
Mathematics -> Stats
Topic
:
Statistics and Excel Analysis
Level
:
College / University
Tags
:
Stats, MHEALTH, Quiz, Excel
https://www.mymathgenius.com/library_item.aspx?uri=MHEALTH_Quiz_on_Statistics
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Project Details
Question Files
Quiz 5.pdf
Quiz 5.doc
MHEALTH data.pdf
MHEALTH data.xls
Subjects
:
Mathematics -> Stats
Topic
:
Statistics and Excel Analysis
Level
:
College / University
Tags
:
Stats, MHEALTH, Quiz, Excel
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