Question

Find the critical values chi squared Subscript Upper L and chi squared Subscript Upper R for...

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. cequals0.9​, nequals22 chi squared Subscript Upper Lequals nothing ​(Round to three decimal places as​ needed.) chi squared Subscript Upper Requals nothing ​(Round to three decimal places as​ needed.)

Homework Answers

Answer #1

Solution :

Given that,

n = 22

df = n - 1 = 22 - 1 = 21

At 90% confidence level the z is ,

= 1 - 90% = 1 - 0.90 = 0.10

/ 2 = 0.10 / 2 = 0.05

1 -   / 2 = 1 - 0.05 = 0.95

2L = 2 / 2 =  20.05 = 32.671

2R= 21 - / 2 =  20.95 = 11.591

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