You are given the following information obtained from a random sample of 4 observations from a large, normally distributed population.
a.What is the point estimate of $\mu$?
b.Construct a 95% confidence interval for $\mu$.
c.Construct a 90% confidence interval for $\mu$.
d.Discuss why the 90% and 95% confidence intervals are different.

Question

You are given the following information obtained from a random sample of 4 observations from a large, normally distributed population.  
a.What is the point estimate of $\mu$?
b.Construct a 95% confidence interval for $\mu$.
c.Construct a 90% confidence interval for $\mu$.
d.Discuss why the 90% and 95% confidence intervals are different.

Quizplus · Accepted Answer

The Answer of You are given the following information obtained from a random sample of 4 observations from a large, normally distributed population.  
a.What is the point estimate of $\mu$?
b.Construct a 95% confidence interval for $\mu$.
c.Construct a 90% confidence interval for $\mu$.
d.Discuss why the 90% and 95% confidence intervals are different.

You Are Given the Following Information Obtained from a Random μ\muμ

You Are Given the Following Information Obtained from a Random $\mu$