Solution Found!
For the following exercises where applicable:a.
Chapter 8, Problem 33CQ(choose chapter or problem)
For the following exercises where applicable:
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified. Assume all variables are normally distributed.
Find the 90% confidence interval of the mean in Exercise 15. Is \(\mu\) contained in the interval?
Questions & Answers
QUESTION:
For the following exercises where applicable:
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified. Assume all variables are normally distributed.
Find the 90% confidence interval of the mean in Exercise 15. Is \(\mu\) contained in the interval?
ANSWER:Answer
Step 1 of 1
(a)
The average age of professional women at which they have their first child is 28.6 years.
We have given a random sample of 36 women is selected, and their ages at the birth of their first child are recorded.
At does the evidence refute the sociologist’s assertion?
Assume
We are asked to find the CI of the mean. Is
contained in the interval?
32 |
28 |
26 |
33 |
35 |
34 |
29 |
24 |
22 |
25 |
26 |