Question:

According to previous studies, the average age at which a woman has her first child is 26.4 years. A random sample of 36 women is selected, and each woman's age at the birth of her first child is recorded. This data is given below. At = 0.05does the sample evidence refute the average age claim?

32 28 26 33 35 34

29 24 22 25 26 27

28 28 34 33 32 30

29 30 27 33 34 29

28 25 24 33 25 37

35 33 34 36 38 26

Context:

What is needed to solve is the P-Value method:

1. State the two hypotheses.
2. List the test used and the guidelines that are met.
3. List the test values needed and calculate the P-value.
4. Make a decision to reject or not reject the null.
5. Summarize the results in the context of the problem.