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7. Meal plan. After surveying students at
Chapter 23, Problem 7(choose chapter or problem)
7. Meal plan. After surveying students at DartmouthCollege, a campus organization calculated that a 95%confidence interval for the mean cost of food for one term(of three in the Dartmouth trimester calendar) is ($1102,$1290). Now the organization is trying to write its reportand is considering the following interpretations. Commenton each.a) 95% of all students pay between $1102 and $1290 forfood.b) 95% of the sampled students paid between $1102 and$1290.c) Were 95% sure that students in this sample averagedbetween $1102 and $1290 for food.d) 95% of all samples of students will have average foodcosts between $1102 and $1290.e) Were 95% sure that the average amount all studentspay is between $1102 and $1290.
Questions & Answers
QUESTION:
7. Meal plan. After surveying students at DartmouthCollege, a campus organization calculated that a 95%confidence interval for the mean cost of food for one term(of three in the Dartmouth trimester calendar) is ($1102,$1290). Now the organization is trying to write its reportand is considering the following interpretations. Commenton each.a) 95% of all students pay between $1102 and $1290 forfood.b) 95% of the sampled students paid between $1102 and$1290.c) Were 95% sure that students in this sample averagedbetween $1102 and $1290 for food.d) 95% of all samples of students will have average foodcosts between $1102 and $1290.e) Were 95% sure that the average amount all studentspay is between $1102 and $1290.
ANSWER:Step 1 of 4
Given:
A 95% confidence interval for the mean cost of food for one term (of three in the Dartmouth trimester calendar) is ($1102, $1290).