15. The sales of a company rose from40,000 in March to48,000 in April 2002.The company's seasonal indices for these two months are 105 and 140 respectively. The owner of thecompany expressed dissatisfaction with the April sales, but the Sales Manager said that he was quitepleased with the*the Sales Manager?The Sales Manager also predicted on the basis of the April sales that the total 2002 sales were going to8,000 increase. What argument should the owner of the company have used to reply tobe5,76,000. Criticise the Sales Manager's estimate and explain how the estimate of4,11,000 maybe arrived at.

Answered: Image /qna-images/answer/109b4426-3632-407d-a1be-b396ec900092.jpg

Answered: 15. The sales of a company rose from…

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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3190 You're a data analyst for an insurance company. You want to make sure that your employer is not over-paying for car repairs. To investigate this, you bring 31 different cars to two different garages, Bubba's Hubcap Heaven and Repair, and Merle's Motor Shop. Some of the cars need lots of repairs. Some of the cars need very few. By taking each car to both shops, we can directly compare the two sets of prices. Before running your analysis, be sure to look at the data file and verify that each car requires a different amount of repairs, and that prices in one shop are correlated with prices at the other shop. That is, they're in the same ballpark. The question is whether one tends to charge more, on average, than the other. Your task is to use Excel to test the research hypothesis that prices are different in the two shops; the null hypothesis is that prices are equal between the two shops. You test at the alpha = 0.10 significance level. What do you conclude? Are prices the same?…
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The shortage of organs for transplant is a continuing problem. At the end of 2000, there were 3536 people waiting for a heart transplant, 3355 for a lung transplant, 16,012 for a liver transplant, and 46,824 for a kidney transplant. Corresponding figures for 2003 were 3292, 3543, 16,985, and 56,590, respectively. In 2006, the figures were 2625, 2691, 16,882, and 68,412, respectively. Express the information as a matrix, labeling rows and columns. Fill in the matrix below. Heart Liver 3536 46,824 3543 56,590 2006 2625 16,882

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