Solved: What samples drawn from normally distributed populations, Basic Statistics

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What samples drawn from normally distributed populations

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Q: The following data come from independent samples drawn from normally distributed populations. Use these data to test the following hypotheses. Let the Type I error rate be .05.

Ho:μ1- μ2=0

Ha:μ1- μ2>0

Sample 1		Sample 2
x‾1 =	2.06	_x_‾2	=	1.93
s₁²=	.176	s₂²	=	.143
n1 =	12	n₂ =		15

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Basic Statistics: What samples drawn from normally distributed populations

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