Find the values of χ2L and χ2R for a sample of 27 scores and a confidence level of 95%.
χ2L =
χ2R =
We have given,
Sample size =n=27
Degree of freedom =n-1= 26
Level of significance=1-0.95=0.05
by using chi square critical value table or Excel
=CHIINV(1-(0.05/2),26)
by using chi square critical value table or Excel
=CHIINV((0.05/2),26)
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