To test the effect of a new medication on pulse rate, the researcher randomly selected the 60 subjects into two groups of 30. New medicine and placebo were given to Group 1 and Group 2, respectively. Below is the Minitab output. Two-Sample T-Test and CI St Dev Group 1 SE Mean 1.4 Mean 30 65.20 7.80 30 70.30 8.40 1.5 Difference = mu (1) - mu (2) Estimate for difference: -5.10 95% CI for difference: T-Test of difference = 0 (vs not =) : T-Value = -2.44 (-9.29, -0.91) P-Value=0.018 DF=57 iv) Based on the 95% confidence interval, what conclusion can you make on the effectiveness of a new medication on pulse rate?
To test the effect of a new medication on pulse rate, the researcher randomly selected the 60 subjects into two groups of 30. New medicine and placebo were given to Group 1 and Group 2, respectively. Below is the Minitab output. Two-Sample T-Test and CI St Dev Group 1 SE Mean 1.4 Mean 30 65.20 7.80 30 70.30 8.40 1.5 Difference = mu (1) - mu (2) Estimate for difference: -5.10 95% CI for difference: T-Test of difference = 0 (vs not =) : T-Value = -2.44 (-9.29, -0.91) P-Value=0.018 DF=57 iv) Based on the 95% confidence interval, what conclusion can you make on the effectiveness of a new medication on pulse rate?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Transcribed Image Text:QUESTION 2
To test the effect of a new medication on pulse rate, the researcher randomly selected the 60
subjects into two groups of 30. New medicine and placebo were given to Group 1 and Group
2, respectively. Below is the Minitab output.
Two-Sample T-Test and CI
Group
1
N
Мean
StDev
SE Mean
30
65.20
7.80
1.4
2
30
70.30
8.40
1.5
Difference = mu (1) - mu (2)
Estimate for difference:
95% CI for difference:
-5.10
(-9.29, -0. 91)
T-Test of difference = 0 (vs not =) : T-Value = -2.44
P-Value=0.018
DF=57
iv) Based on the 95% confidence interval, what conclusion can you make on the effectiveness
of a new medication on pulse rate?
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