27. Find the critical values chi squared Subscript Upper L and chi squared Subscript Upper R for the given confidence level c and sample size n. cequals0.98, nequals23 chi squared Subscript Upper Lequals nothing (Round to three decimal places as needed.)
27)
Solution :
Given that,
n = 23
Degrees of freedom = df = n - 1 = 22
At 98% confidence level the
2 value is ,
= 1 - 98% = 1 - 0.98 = 0.02
/ 2 = 0.02 / 2 = 0.01
1 -
/ 2 = 1 - 0.01 = 0.99
2L
=
2
/2,df
= 40.289
2R
=
21 -
/2,df = 9.542
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