The computation of the t-statistic was held in four phases. First, the SS was extracted from the standard deviation (s) formula s = The SS for group I was computed as 3.6992 from the formula 0.34 = The SS for group 2 was computed as 2.5725 from the formula 0.35 = Second, the pooled variance (s) of 0.1183 was obtained using the formula: s3 = 3.6992+2.5725 6.2717 = 0.1183. 32+21 53 SS1 + SS2 df₁+df₂ Third, the estimated standard error for the mean differences (S(M1-M2)) of 0.09466 wa computed using the formula: S(M1-M2) 0.09466. $²2- 121 12₂ 0.1183 33 0.1183 22 = 0.008962 =
The computation of the t-statistic was held in four phases. First, the SS was extracted from the standard deviation (s) formula s = The SS for group I was computed as 3.6992 from the formula 0.34 = The SS for group 2 was computed as 2.5725 from the formula 0.35 = Second, the pooled variance (s) of 0.1183 was obtained using the formula: s3 = 3.6992+2.5725 6.2717 = 0.1183. 32+21 53 SS1 + SS2 df₁+df₂ Third, the estimated standard error for the mean differences (S(M1-M2)) of 0.09466 wa computed using the formula: S(M1-M2) 0.09466. $²2- 121 12₂ 0.1183 33 0.1183 22 = 0.008962 =
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Traditional Students (G1) | Online Students (G2) | |
2.97 | 2.95 | |
standard deviation | 0.34 | 0.35 |
33 | 22 |
significance level: 0.05
degree of freedom: 53
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