Peninsular Malaysia is divided into four main regions. The regions and their states are:i. Northern Region: Perlis, Kedah, Penang, Perakii. East Coast Region: Kelantan, Terengganu, Pahang,iii. Central Region: Selangor, federal territories of Kuala Lumpur and Putrajayaiv. Southern Region: Negeri Sembilan, Malacca, JohorJames would like to compare difference between regions on the positive cases. He gathered the data forpositive COVID-19 cases in Malaysia on 12 December 2021 and the data are presented below. Assume that thedata are independent samples and follows normal distribution.StateNumber of positive casesJohor322Kedah169Kelantan329Melaka150Negeri Sembilan149Pahang301Perak241Perlis7Pulau Pinang243Selangor954Terengganu144W.P. Kuala Lumpur194W.P. Putrajaya15a) What test is appropriate to be used in this question? State why.b) At 10% significance level, does there appear to be a difference in the average number of positive cases bycentral and northern region in Malaysia?c) At 5% significance level, does there appear that the east coast region cases is lower than southern regionpositive cases?d) Find the 99% confidence interval of the difference in means.

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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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