Use Appendix B5 to locate the value of t under the following

Use Appendix B.5 to locate the value of t under the following conditions. (Round your answers to 3 decimal places.)

Solution

(a) The degree of freedom =n-1=12-1=11

Given a=1-0.95=0.05, t(0.025, df=11) =2.201 (from student t table)

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(b) The degree of freedom =n-1=20-1=19

Given a=1-0.9=0.1, t(0.05, df=19) =1.729 (from student t table)

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(c)The degree of freedom =n-1= 8-1=7

Given a=1-0.99=0.01, t(0.005, df=7) =3.499 (from student t table)