The cost of a meal for a sample of eight customers was recorded. The results (in Rands) were as follows: a) Estimate a 90% confidence interval for the true average of cost of a meal. (3) b) Calculate the length of the confidence interval. (1) c) Provide the correct interpretation of the confidence interval you have calculated in a). (1) 130.11 129.85 130.05 128.53 129.99 129.85 130.18 129.98

The cost of a meal for a sample of eight customers was recorded. The results (in Rands) were as follows: a) Estimate a 90% confidence interval for the true average of cost of a meal. (3) b) Calculate the length of the confidence interval. (1) c) Provide the correct interpretation of the confidence interval you have calculated in a). (1) 130.11 129.85 130.05 128.53 129.99 129.85 130.18 129.98

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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