We gathered 50 observations from a certain population and calculated a 95% confidence interval. If we had
Fantastic news! We've Found the answer you've been seeking!
Question:
We gathered 50 observations from a certain population and calculated a 95% confidence
interval. If we had quadrupled the number of observations what would have been the
approximate effect on the width of our confidence interval?
(a) It would have been reduced by a factor of 8
(b) It would have been reduced by a factor of 4
(c) It would have been reduced by a factor of 2
(d) It would stay the same
Related Book For
Introduction to Probability and Statistics
ISBN: 978-1133103752
14th edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
Posted Date: