Scenario 3:
To determine the effectiveness of a new diuretic drug, urineoutput was measured in 20 men and compared to 20 men that receivedplacebo control. The data are summarized in Table 2 below. The nullhypothesis is: H0: μ Placebo=μ  drug.
Table2.  Effectiveness of New DiureticDrug
| Mean Urine Output
(mg/kg/hr) | SD |
Placebo | 1.58 | 0.66 |
Drug | 2.78 | 0.77 |
What is the null hypothesis equation for this experiment?
What statistical test would you use?
t-test
ANOVA
Relative Risk
POWER
What is the 95% confidence intervals for this 2 samplet-test?
4.                          Basedon the statistical test that you chose, do you accept or reject thenull hypothesis at P=0.05? Please paste your data outputfile in the area below.
5.                          Whatis the Power of this test?Please paste your data output file in thearea below.
How many samples are needed to achieve a power of0.80?  Please paste your data output file in the areabelow.  Â
