See attached photo of data 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.savGroup StatisticsStd.DeviationStd. ErrorMeanNMean1 - Music, 2 Med itationReaction_Time 113284472.0369502010248228095902708192130075112Independent Samples TestLevene's Test for Equality ofVariancest-test for Equality of Means95% Confidence Interval ofthe DifferenceSig. (2-tailed)Std. ErrorDifferenceMeanDifferencedfLowerUpperFSig.Reaction_Time Equal variancesassumed-.02271062.596120.27724.785.003513201270600297371Equal variances notassumed277.003513222.0057850127060-.0228370.0298635

Name: See attached photo of data Using 0.5 as you alpha level for the levine
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Description: See attached photo of data 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 g

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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See attached photo of data

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

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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