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Summary IBM SPSS T Test, Formulas & Reasoning
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SPSS Document with tables, reasoning and explanation of formulas. Really needed these for my tests.!
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T-TEST GROUPS=reason(1 2)/MISSING=ANALYSIS
/VARIABLES=bed
/CRITERIA=CI(.95).
T-Test
H0= there is no difference
H1= There is a difference
T= .187
P= .852
P .852> 5% --> keep H0
The average score of the business guest(M= 3.73, sd=.730) is higher than
the average score of leisure guest ( M= 3.70, sd=1.103)
This difference is not significant (t(71.27)= .187, p= .852)
Group Statistics
Reason for visiting N Mean Std. Deviation Std. Error Mean
the bed business 49 3.73 .730 .104
leisure 43 3.70 1.103 .168
Independent Samples Test
Levene's Test for Equality of
Variances t-test for Equality of Means
95% Confidence Interval of the
Mean Std. Error Difference
F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper
the bed Equal variances assumed
6.113 .015 .192 90 .848 .037 .193 -.346 .420
Equal variances not
.187 71.266 .852 .037 .198 -.357 .431
assumed
Page 1
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