Q2. An analyst is interested in testing whether four population have equal means. The following sample data have been collected from populations that are assumed to be normally distributed with equal variance: Sample 1 7 3 5 Sample 2 4 8 6 a) How many different populations are being considered in this analysis? b) Fill in the ANOVA table with the missing values> Source of variation Between Samples Within Samples Total SS Df c) State the appropriate null and alternative hypothesis. MS Sample 3 7 8 6 F-ratio

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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a) How many different populations are being considered in this analysis?
02. An analyst is interested in testing whether four population have equal means. The following sample
data have been collected from populations that are assumed to be normally distributed with equal variance:
Sample 1
Sample 2
Sample 3
b) Fill in the ANOVA table with the missing values>
Source of variation
SS
Between Samples
Within Samples
Total
Df
* ll O 67%
c) State the appropriate null and alternative hypothesis.
MS
6
:
F-ratio
d) Based on the analysis of F-test, what conclusion should be reached regarding the null hypothesis? Tes
using a significance level of 0.05. (From test table critical F= 5.14)
Transcribed Image Text:K 4:12 +966 59 882 1172 1 minute ago a) How many different populations are being considered in this analysis? 02. An analyst is interested in testing whether four population have equal means. The following sample data have been collected from populations that are assumed to be normally distributed with equal variance: Sample 1 Sample 2 Sample 3 b) Fill in the ANOVA table with the missing values> Source of variation SS Between Samples Within Samples Total Df * ll O 67% c) State the appropriate null and alternative hypothesis. MS 6 : F-ratio d) Based on the analysis of F-test, what conclusion should be reached regarding the null hypothesis? Tes using a significance level of 0.05. (From test table critical F= 5.14)
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