3. A study is conducted to assess if doing puzzles has any impact on heart rate. Eight volunteers had their at-rest pulse rate measured before and after the experiment. The differences (rate after - rate before) are tabulated below: Individual 2 3 4 6. 7 8. Difference -3 -5 1 -4 3 -7 -1 Let u denote the difference in population means (“after sided paired t-test at the 5% significance level. Clearly state the null and alternative hypotheses, and provide an appropriate concluding statement explaining your results. before"). Conduct a two-
3. A study is conducted to assess if doing puzzles has any impact on heart rate. Eight volunteers had their at-rest pulse rate measured before and after the experiment. The differences (rate after - rate before) are tabulated below: Individual 2 3 4 6. 7 8. Difference -3 -5 1 -4 3 -7 -1 Let u denote the difference in population means (“after sided paired t-test at the 5% significance level. Clearly state the null and alternative hypotheses, and provide an appropriate concluding statement explaining your results. before"). Conduct a two-
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text:3. A study is conducted to assess if doing puzzles has any impact on heart rate. Eight
volunteers had their at-rest pulse rate measured before and after the experiment. The
differences (rate after rate before) are tabulated below:
Individual
1
2
3
4
6.
7
8.
Difference
-3 -5
1
-4
-7
-1
Let u denote the difference in population means ("after - before"). Conduct a two-
sided paired t-test at the 5% significance level. Clearly state the null and alternative
hypotheses, and provide an appropriate concluding statement explaining your results.
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