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2-Sided CI, a 95, Sample Average = 100, Sample St Dev, s  5,  15                                                       ____________   <  m  <   ____________

2-Sided CI, a 95, Sample Average = 100, Sample St Dev, s  5,  15                                                       ____________   <  m  <   ____________

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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  1. 2-Sided CI, a 95, Sample Average = 100, Sample St Dev, s  5,  15

                                                      ____________   <  m  <   ____________

  1. 2-Sided CI, a 95, Group 1: Sample Average = 100, Sample St Dev, s  5,  20; Group 2: Sample Average = 98, Sample St Dev, s  3,  30.  Assume the unknown group variances are equal.

                                                      ____________   <  m1  m2  <   ____________

 

  1. Is the difference in Group Averages in Part D above, statistically significant (a 95).  The alternate hypothesis is m1  m2.    YES   or   NO
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