Go through the hypothesis testing process – not the confidence interval process!
Here is a Project Checklist:
Title
Your Name(s)
Why the Claim / Subject Is of Interest To You (What are your expectations?)
Published Claim and Source (Attach a copy of the claim or the URL.)
Your Study Data / Your Polling Results. – (Attached.)
Sample Mean or p-hat (Work not required)
Sample Standard Deviation or q-hat (Work not required)
Hypothesis Test.
Write the Null Hypothesis – (Use the Appropriate Algebraic Rewrite)
Write the Alternative Hypothesis – (Use the Appropriate Algebraic Rewrite)
Explain Why You Will Use the z or the t Test Statistic.
Significance Level and Critical Value(s) – choose a level: .01, .05, .10 or any other value, at most 0.10. Then find and state the critical value(s)
Calculate the Test Statistic (and p-value for an extra 3 points)
Write Out the Decision Rule You Will Use. (The RULE, as stated in the notes)
The Stats Answer (reject H0 or fail to reject H0) w/ Explanation For That Decision.
Interpretation Answer (Answer in English)