Question: The average family size was reported as 3.18. A random sample of families in a particular school district resulted in the following family sizes:

5 4 5 4 4 3 6 4 3 3 5 5

6 3 3 2 7 4 5 2 2 2 3 2

At a = 0.05, does the average family size differ from the national average?

State the hypotheses and identify the claim. H₀ : H_a :

What is(are) the critical values?

What is the test statistic?

What is the P-value?

What is your decision and why?

What is the conclusion?