Find the p-value for the hypothesis test. A random sample of size 51 is taken. The sample has a mean of 423 and a standard deviation of 84.
H0: µ = 400
Ha: µ ≠ 400
The p-value for the hypothesis test is .
Your answer should be rounded to 4 decimal places.
Solution :
= 400
= 423
s = 84
n = 51
This is the two tailed test .
The null and alternative hypothesis is ,
H0 : = 400
Ha : 400
Test statistic = t
= ( - ) / s / n
= (423 -400 ) /84 / 51
= 1.955
Test statistic = t = 1.955
P-value = 0.0561
Find the p-value for the hypothesis test. A random sample of size 51 is taken. The...
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