In: Statistics and Probability
Problem 3. Find the following quantities for ?= 0.1, 0.05, 0.01.
(a)z?/2
(b)t9,?/2, t15,?/2, t25,?/2
(c)?28,?/2, ?28,1??/2
The quantities can be found by respective tables or by simple R-commands.
(a) We have the following values as below.
For , we have , founded by command qnorm(0.1/2).
For , we have , founded by command qnorm(0.05/2).
For , we have , founded by command qnorm(0.01/2).
(b) For , we have
For , we have
For , we have
(c) For , we have
For , we have
For , we have