APFIVE Sample Size and Confidence Interval for Slope
A researcher obtains a 95% confidence interval for the slope of (1.2, 2.8) based on a sample of size n = 50. If the researcher had collected data with the same sx and σ but with a sample size of n = 200, approximately what would be the new 95% confidence interval?
A
(0.6, 3.4)
B
(1.45, 2.55)
C
(1.6, 2.4)
D
(1.2, 2.8)
Question Leaderboard
Not enough data yet to show leaderboard.