Determine the appropriate critical​ value(s) for each of the following tests concerning the population​ mean:   a.​ upper-tailed test: α=0.005​; n=25​; σ=5.0 b.​ lower-tailed

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Determine the appropriate critical​ value(s) for each of the following tests concerning the population​ mean:
 
a.​ upper-tailed test:
α=0.005​;
n=25​;
σ=5.0
b.​ lower-tailed test:
α=0.025​;
n=28​;
s=9.0
c.​ two-tailed test:
α=0.02​;
n=41​;
s=4.4
d.​ two-tailed test:
α=0.05

 

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