more extensive tabulation of t critical values than whatappears in this book shows that
Chapter 7, Problem 41(choose chapter or problem)
more extensive tabulation of t critical values than whatappears in this book shows that for the t distribution with20 df, the areas to the right of the values .687, .860, and1.064 are .25, .20, and .15, respectively. What is the confidencelevel for each of the following three confidence intervalsfor the mean m of a normal population distribution?Which of the three intervals would you recommend be used,and why?a.b.c. (x 2 1.064s/121, x 1 1.064s/121)(x 2 .860s/121, x 1 1.325s/121)(x 2 .687s/121, x 1 1.725s/121)
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