Would like to know if my answers are correct. 2. The logic of hypothesis testing

Question

Would like to know if my answers are correct.

2. The logic of hypothesis testing Aa Aa A Bureau of Labor Statistics (BLS) economist conducts a statistical study to test her hunch that in households with a minimum-wage worker, mean household debt changes following a hike in the minimum wage Suppose the mean household debt stays the same following a minimum-wage hike. However, when the economist collects a random sample, the sample mean difference is actually greater than zero. This result that the economist made a mistake in her research. Suppose the economist collects a random sample and decides to conduct a hypothesis test. Formulate the null and alternative hypotheses. For each statement in the following table, click the correct radio button to indicate whether the statement is the null hypothesis, the alternative hypothesis, or neither. (Hint: This is a nondirectional hypothesis test.) Null Alternative Hypothesis Hypothesis Neither In households with a minimum-wage worker, mean household debt changes following a hike in the minimum wage. In households with a minimum-wage worker, mean household debt stays the same following a hike in the minimum wage. In households with a minimum-wage worker, mean household debt increases following a hike in the minimum wage. In households with a minimum-wage worker, mean householdO debt decreases following a hike in the minimum wage

Explanation / Answer

Your all part is right but,

4. Z score for alpha = 0.001 is wrong. The correct answer should be (a) z = 3.29 and z =-3.29.

You have mistakenly answered the critical range for alpha = 0.01. Check the standard normal distribution table again or check the graph, if you see for p = 0.001/2 = 0.0005 then (a) will be the answer

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