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Significance to determine the critical value(s) of the test

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Reference no: EM13805306

Consider the following hypotheses:

H0: μ = 260

HA: μ ≠ 260

The population is normally distributed with a population standard deviation of 72.
a. Use a 1% level of significance to determine the critical value(s) of the test.

b-1. Calculate the value of the test statistic with formula x hat = 294 and n = 85.

b-2. What is the conclusion at α = 0.01?

c. Use a 10% level of significance to determine the critical value(s) of the test.
d-1. Calculate the value of the test statistic with formula x hat = 238 and n = 85.

d-2. What is the conclusion at α = 0.10?

Reference no: EM13805306

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