The manager of a downtown restaurant is interested in how much customers spend t

Question

The manager of a downtown restaurant is interested in how much customers spend there at lunch time. He estimated the mean expenditure by taking a sample of 75 diners. He found the mean amount spent on lunch for these 75 people was $9.74. He reported a 95% confidence interval of ($9.08, $10.40). He could have also reported his results by saying, "I am 95% confident that my estimate of $9.74 differs from the true mean amount spent for lunch at this restaurant by no more than $____." What margin of error goes in the blank?

Explanation / Answer

0.66 This can be calculated either by $10.40-9.74 or $9.74-9.08.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.