living in southern regions. Random samples of birds were selected from each group and wing lengths for birds (in millimeters) were measured. The following table gives summary statistics. Region Northern (N) Southern (S) Difference (d = N - S) n Average 30 30 30 111.4 112.3 -0.9 Standard deviation 1.6 3.3 1.5 (a) Find a 90% confidence interval for the mean
living in southern regions. Random samples of birds were selected from each group and wing lengths for birds (in millimeters) were measured. The following table gives summary statistics. Region Northern (N) Southern (S) Difference (d = N - S) n Average 30 30 30 111.4 112.3 -0.9 Standard deviation 1.6 3.3 1.5 (a) Find a 90% confidence interval for the mean
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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