What are the two degrees of freedom for the F distribution for this test statistic under the null distribution? F(df1 df2

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Consider the two sets of independent random samples from normal distributions x1, ... , X19 and y1, ... , y13.
We wish to perform the following hypothesis test of equal variances:
Ho: σχ σΥ
H1 : 0x # 0Y
VS
For this, the following test statistic is used for the hypothesis test:
F =
What are the two degrees of freedom for the F distribution for this test statistic under the null distribution?
F ~ F(df1
df2
Transcribed Image Text:Consider the two sets of independent random samples from normal distributions x1, ... , X19 and y1, ... , y13. We wish to perform the following hypothesis test of equal variances: Ho: σχ σΥ H1 : 0x # 0Y VS For this, the following test statistic is used for the hypothesis test: F = What are the two degrees of freedom for the F distribution for this test statistic under the null distribution? F ~ F(df1 df2
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