A survey was conducted to find out mean expenditure of students in a week. Data collected from a sample of 35 students gives a mean expenditure of RM80 and standard deviation RM15. Construct a 99% confidence interval for the mean expenditure of all students. Interpret your answer.
A survey was conducted to find out mean expenditure of students in a week. Data collected from a sample of 35 students gives a mean expenditure of RM80 and standard deviation RM15. Construct a 99% confidence interval for the mean expenditure of all students. Interpret your answer.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
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