A researcher claims that the average number of monthly Covid-19 cases in Malaysia for year2020 is 10000. A random sample of 12 months cases as shown below.Seorang penyelidik mendakwa bahawa purata bulanan bilangan kes Covid-19 di Malaysiauntuk tahun 2020 adalah 10000. Satu sample rawak bagi kes 12 bulan seperti ditunjukkandibawahMonth in Jan Feb Mac Apr May Jun Jul2020Aug Sep OctDecNovBulandalam20208 17 2601 3319 1817 875 3273701801 19459 33518 | 46205NumberofCovid-19casesBilangankesCovid-19(Given i = 9193.083)(Diberi x = 9193.083)The sample standard deviation is 15515.955. Is there enough evidence to reject theresearcher's claim at a = 0.05?

Answered: Image /qna-images/answer/4a9d76c4-090a-4771-83dc-c13a05fe2fbd.jpg

Answered: A researcher claims that the average…

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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A simple random sample of 35 pages from Merriam-Webster's Collegiate Dictionary is obtained. The numbers of words defined on those pages are found with the following results: the sample size is 35, the sample mean is 53.3 words per page, the sample standard is 15.7 words per page. Given that this dictionary has 1459 page with defined words, the claim that there are more than 70 000 defined words is equivalent to the claim that the mean number of words per page is greater than 48.0 words. Assume a normally distributed population. Use a 0.05 significance level to test the claim that the mean number of words per page is greater than 48.0 words.

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