Question

STEP 2 State the Null and Alternative (Research) hypotheses NULL Hypothesis ALTERNATIVE Hypothesis Is this a one or two tailed test (if a one tailed test, what direction)? STEP 3 Define the elements of the problem What is the population or populations of interest? What is the sample? 3. The President claims that 100,000 jobs were created last month. You don't believe this claim is true, so you examine a sample of 1,000 records from the Bureau of Labor Statistics STEP 1 What is the subject of the research or inference problem? State the Null and Alternative (Research) hypotheses NULL Hypothesis ALTERNATIVE Hypothesis STEP 2 Is this a one or two tailed test (if a one tailed test, what direction)? STEP 3 Define the elements of the problem

Answer 1

Step 1:

Number of jobs created per month graduation.

Step 2:

The null hypotheses is:

We need to test whether this claim is correct or not so alternative hypothesis will be

$H_{a}:\mu<100000$

Test is one tailed. It is left tailed.

Step 3:

Population: Records of jobs for all month

Sample : 1000 records selected for survey