T-Test [DataSet1] /Users/melissasmith/Down loads/PSYC220_Class_Experiment.sav Group Statistics Std. Deviation Std. Error Mean N Mean 1 - Music, 2 Med itation Reaction_Time 1 13 284472 .0369502 0102482 280959 0270819 2 13 0075112 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Sig. (2- tailed) Std. Error Difference Mean Difference df Lower Upper F Sig. Reaction_Time Equal variances assumed -.0227106 2.596 120 .277 24 .785 .0035132 0127060 0297371 Equal variances not assumed 277 .0035132 22.005 785 0127060 -.0228370 .0298635

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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Using 0.5 as you alpha level for the levines test, the "sig" value for Levenes test is ______.

Under the section titled t test for equality of mean what are the values for t, df, and Sig 2 tailed? Is the Difference between groups significant? ie <0.05?________________________________________________________

Briefly describe the out come of the experiment. was the difference between music and meditation groups significant? What does that mean in terms of the effect of meditation on reaction time? __________________________________________________________

T-Test
[DataSet1] /Users/melissasmith/Down loads/PSYC220_Class_Experiment.sav
Group Statistics
Std.
Deviation
Std. Error
Mean
N
Mean
1 - Music, 2 Med itation
Reaction_Time 1
13
284472
.0369502
0102482
280959
0270819
2
13
0075112
Independent Samples Test
Levene's Test for Equality of
Variances
t-test for Equality of Means
95% Confidence Interval of
the Difference
Sig. (2-
tailed)
Std. Error
Difference
Mean
Difference
df
Lower
Upper
F
Sig.
Reaction_Time Equal variances
assumed
-.0227106
2.596
120
.277
24
.785
.0035132
0127060
0297371
Equal variances not
assumed
277
.0035132
22.005
785
0127060
-.0228370
.0298635
Transcribed Image Text:T-Test [DataSet1] /Users/melissasmith/Down loads/PSYC220_Class_Experiment.sav Group Statistics Std. Deviation Std. Error Mean N Mean 1 - Music, 2 Med itation Reaction_Time 1 13 284472 .0369502 0102482 280959 0270819 2 13 0075112 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Sig. (2- tailed) Std. Error Difference Mean Difference df Lower Upper F Sig. Reaction_Time Equal variances assumed -.0227106 2.596 120 .277 24 .785 .0035132 0127060 0297371 Equal variances not assumed 277 .0035132 22.005 785 0127060 -.0228370 .0298635
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