For a sample size of 19, the degrees of freedom is 18. To construct a 95% confidence interval, alpha/2 = 0.025. For alpha = 0.025 and 18 DOF, t = 2.101.
David G.
asked • 04/06/20Statistics Problem
A sample of size n=19 from a normal population. Find the critical value ta/2 needed to construct a 95% confidence interval.
More
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
David G.
Thanks Jon. How do I solve with this with a TI-83 or TI-84 calculator ?04/06/20