Using a = 0.01 2 tail , test the hypothesis that the following sample could have been drawn from a population with µ = 27.2 and s = 2.1.
X : 25.2, 29.9, 24.8, 26.0, 22.1

Question

Using a = 0.01 2 tail , test the hypothesis that the following sample could have been drawn from a population with µ = 27.2 and s = 2.1. 
 X : 25.2, 29.9, 24.8, 26.0, 22.1

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The Answer of Using a = 0.01 2 tail , test the hypothesis that the following sample could have been drawn from a population with µ = 27.2 and s = 2.1. 
 X : 25.2, 29.9, 24.8, 26.0, 22.1