Monday
March 2, 2015

Homework Help: Research and Statistics

Posted by Gary on Monday, July 5, 2010 at 1:07pm.

Here are heart rates for a sample of 30 students before and after a class break. At α = .05, was
there a significant difference in the mean heart rate? (a) State the hypotheses. (b) State the decision
rule and sketch it. (c) Find the test statistic. (d) Make a decision. (e) Estimate the p-value and
interpret it

Student Before After Student Before After
1 60 62 16 70 64
2 70 76 17 69 66
3 77 78 18 64 69
4 80 83 19 70 73
5 82 82 20 59 58
6 82 83 21 62 65
7 41 66 22 66 68
8 65 63 23 81 77
9 58 60 24 56 57
10 50 54 25 64 62
11 82 93 26 78 79
12 56 55 27 75 74
13 71 67 28 66 67
14 67 68 29 59 63
15 66 75 30 98 82

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - Here are heart rates for a sample of 30 students before and after a...
college - Here are heart rates for a sample of 30 students before and after a ...
Statistics - The Deborah Heart Institute performs many open-heart surgery ...
statistics - The Deborah Heart Institute performs many open-heart surgery ...
Biology - Hey I am doing a lab, the link is down h t t p : //w w w . sd67 . bc...
STATISTICS - In a cross-sectional study of heart disease and gender in middle-...
statistics - Assuming the resting heart rates for a sample of individuals are ...
Algebra 1B - The polynomial given by 1.6t^ 2 - 28t + 200 calculates the heart ...
statistics - A research article included the following table: Mean Score on Four...
Statistics - A research article included the following table: Mean Score on Four...

Members