Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: $1 1 .00 | $8.00 | $6.00 | $4.00 | $11.00 a) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*)
Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: $1 1 .00 | $8.00 | $6.00 | $4.00 | $11.00 a) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below:
$1 1 .00 | $8.00 | $6.00 | $4.00 | $11.00
a) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*)
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