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Created: Mar 29, 2019
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6. c) Two sample T hypothesis test

Two sample T hypothesis test:

μ1 : Mean of all abs (class)
μ2 : Mean of all abs (survey)
μ1 - μ2 : Difference between two means
H0 : μ1 - μ2 = 0
HA : μ1 - μ2 > 0
(without pooled variances)

Hypothesis test results:
DifferenceSample Diff.Std. Err.DFT-StatP-value
μ1 - μ20.221119280.1770288251.2073751.24905810.1087

By figueroa-bonillam
On Mar 29, 2019
4. a) Class mean length

One sample T hypothesis test:

μ : Mean of variable
H0 : μ = 3
HA : μ ≠ 3

Hypothesis test results:
VariableSample MeanStd. Err.DFT-StatP-value
in (class)2.52941180.2420447116-1.94422030.0697

By figueroa-bonillam
On Mar 29, 2019
Reports with this result:
7 c) Paired T hypothesis test
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Paired T hypothesis test:

μD = μ1 - μ2 : Mean of the difference between Inches abs and CM abs
H0 : μD = 0
HA : μD ≠ 0
Hypothesis test results:
DifferenceMeanStd. Err.DFT-StatP-value
Inches abs - CM abs-0.606603770.1159381352-5.2321334<0.0001

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