Two universities give samples of students the same exam. School A records the follwoing sample statistics: =73, s,=5.5, n =80. School B records the follwoing sample statistics: az=69, s,=4.4, n2 =90. We wish to build a 95 % cofidence interval to estimate the difference in means between these schools.
Two universities give samples of students the same exam. School A records the follwoing sample statistics: =73, s,=5.5, n =80. School B records the follwoing sample statistics: az=69, s,=4.4, n2 =90. We wish to build a 95 % cofidence interval to estimate the difference in means between these schools.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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