A sample of size n = 89 has sample mean x = 87.2 and sample standard deviation
Question:
A sample of size n = 89 has sample mean ̄x = 87.2 and sample standard deviation s = 5.3.
a. Construct a 95% confidence interval for the population mean σ.
b. If the confidence level were 99%, would the confidence interval be narrower or wider?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: