Q4 : Construct a 90% confidence interval of 4 -4 given the following information: mean Sample sd Group 1 7 20.6 5.3 Group 2 15 19.8 4.5 Hint:[ CI for of µ - H2: X1 – X2 ± t(@/y, as) + n2

MATLAB: An Introduction with Applications
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Q4
: Construct a 90% confidence interval of µ – 2 given the following information:
Sample sd
In
mean
Group 1
7
20.6
5.3
|Group 2
19.8
15
4.5
Hint:[ CI for of Hi – Hz: X1 – X2 ±t(a/,, as)
n2
Transcribed Image Text:Q4 : Construct a 90% confidence interval of µ – 2 given the following information: Sample sd In mean Group 1 7 20.6 5.3 |Group 2 19.8 15 4.5 Hint:[ CI for of Hi – Hz: X1 – X2 ±t(a/,, as) n2
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