Question
I want to know whether mice receiving the drug rapamycin differ from controls in terms of mean arterial pressure (MAP). I measure mean arterial pressure
I want to know whether mice receiving the drug rapamycin differ from controls in terms of mean arterial pressure (MAP). I measure mean arterial pressure (mmHg) in five control subjects, and in five subjects receiving rapamycin, for a total of 10 subjects. These data are available on canvas via the file h4q1.csv
Animal | Treatment | MAP |
1 | Control | 113 |
2 | Control | 119 |
3 | Control | 116 |
4 | Control | 116 |
5 | Control | 114 |
6 | Treatment | 118 |
7 | Treatment | 116 |
8 | Treatment | 119 |
9 | Treatment | 120 |
10 | Treatment | 112 |
Perform an appropriate t-test comparing blood pressure between rapamycin and control groups, using R Commander or the following R functions (assume that both groups are sampled from populations with equal variances). 1. What is the resulting t-value? 2. What is the degrees of freedom for the t-test performed? 3. Using the results for the t-test conducted, what is the resulting p-value? 4. What is the difference between the mean of the control group and the mean of the rapamycin group? 5. What is the upper bound of the 95% confidence interval of the differences between group means?
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