SOLUTION: You wish to test the claim that μ = 1420 at a level of significance of α = 0.01 and are given sample statistics n = 35, x = 1390. Assume the population standard deviation is

Algebra ->  Probability-and-statistics -> SOLUTION: You wish to test the claim that μ = 1420 at a level of significance of α = 0.01 and are given sample statistics n = 35, x = 1390. Assume the population standard deviation is       Log On


   



Question 1150381: You wish to test the claim that μ = 1420 at a level of significance of α = 0.01 and are given
sample statistics n = 35, x = 1390. Assume the population standard deviation is 82. Compute the
value of the standardized test statistic. Round your answer to two decimal places

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
use a z=(x-mean)/sd/sqrt(n)
z=-30/82/sqrt(35)
=-30*sqrt(35)/82
=-2.16