Help please with a statistic question

May 30, 2025/in Buy CIPD Assignments/by ACE CIPD

Given the following hypotheses:

H₀ : μ = 400

H₁ : μ ≠ 400

A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level:

a.	State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.)

Reject H₀ when the test statistic is the interval (, ).

b.	Compute the value of the test statistic. (Round your answer to 3 decimal places.)

Value of the test statistic

What is your decision regarding the null hypothesis?

	Reject
	Do not reject

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Help please with a statistic question

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