Statistics Solutions

[Solution] A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve

Question: A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve accounts is selected, resulting in a sample mean of $220 and a standard deviation of $12. The t-test is to be conducted at the 5% level of significance.

  1. What is H 0 ? _______________________________
  2. What is H1? _______________________________
  3. What is the critical value of t? ______________________
  4. What is the calculated value of t? _____________
  5. What is your decision? _____________________________

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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