Test the following hypotheses with the data given. Let = .10. Sample 1 .... Sample 2
Question:
Sample 1 .... Sample 2
x̄1 = 138.4 .... x̄2 = 142.5
σ1 = 6.71 .... σ2 = 8.92
n1 = 48 ..... n2 = 39
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H o 1 2 0 H a 1 2 0 For a 10 and a twotailed test a 2 05 and z 05 1645 ...View the full answer
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Related Book For 
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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