Applet Exercise Suppose that Y has an F distribution with
Chapter 7, Problem 28E(choose chapter or problem)
Applet Exercise Suppose that Y has an F distribution with \(v_{1}=4\)numerator degrees of freedom and \(\mathrm{v}_{2}=6\) denominator degrees of freedom.
Use Table 7, Appendix 3, to find \(\mathrm{F}_{.025}\) Also find \(\mathrm{F}_{.025}\) using the applet F-Ratio Probabilities and Quantiles.Refer to part (a). What quantile of Y does \(\mathrm{F}_{.025}\) correspond to? What percentile?Refer to parts (a) and (b). Use the applet F-Ratio Probabilities and Quantiles to find \(\mathrm{F}_{.975}\), the .025 quantile (2.5th percentile) of the distribution of Y.If U has an F distribution with \(\mathrm{v}_{1}=6\) numerator and \(\mathrm{v}_{2}=4\) denominator degrees of freedom, use Table 7, Appendix 3, or the F-Ratio Probabilities and Quantiles applet to find \(\mathrm{F}_{.025}\).In Exercise 7.29, you will show that if Y is a random variable that has an F distribution
with ν1 numerator and \(\mathrm{V}_{2}\) denominator degrees of freedom, then U = 1/Y has an F distribution with \(\mathrm{v}_{2}\) numerator and \(\mathrm{v}_{1}\) denominator degrees of freedom. Does this result explain the relationship between \(\mathrm{F}_{.975}\) from part (c) (4 numerator and 6 denominator degrees of freedom) and \(\mathrm{F}_{.025}\) from part (d) (6 numerator and 4 denominator degrees of freedom)? What is this relationship?
Equation Transcription:
Text Transcription:
v1=4
v2=6
F.025
F.025
F.025
F.975
v1=6
v2=4
F.025
v2
U=1/Y
v2
v1
F.975
F.025
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