Find the positive critical value for testing Ho: u = 17.55 versus Ha: # 17.55 at...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

Solution :

$\mu$ = 17.55

n = 30

This is the two tailed test .

The null and alternative hypothesis is ,

H₀ : $\mu$ = 17.55

H_a : $\mu$ $\neq$ 17.55

df =n-1 = 30-1 = 29

The significance level is α=0.05

and the critical value for a two-tailed test is t_c= 2.045

Answer 2

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