Question: What is the value of ????crit used in a small sample (a) 90% lower bound confidence interval for the mean when the sample size is

What is the value of ????crit used in a small sample

(a) 90% lower bound confidence interval for the mean when the sample size is ???? =

55?

(b) 95% lower bound confidence interval for the mean when the sample size is ???? =

68?

(c) 95% upper bound confidence interval for the mean when the sample size is ???? =

95?

(d) 99% upper bound confidence interval for the mean when the sample size is ???? =

75?

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