Find the critical value t/α2 needed to construct a confidence interval of the given level with...

Question:

Find the critical value

t/α2

needed to construct a confidence interval of the given level with the given sample size. Round the answers to three decimal places.

Part 1 of 4

(a) For level

95%

and sample size

7

 Criticalvalue=0

Part 2 of 4

(b) For level

98%

and sample size

12

 Criticalvalue=

Part 3 of 4

(c) For level

99%

and sample size

27

 Criticalvalue=

Part 4 of 4

(d) For level

98%

and sample size

14

 Criticalvalue=

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