3. A consumer agency wanted to find out of the mean time taken by each ofthree brands of medicines to provide relief from a headache is the same. The firstdrug was administered to six randomly selected patients, the second to fourrandomly selected patients, and the third to five randomly selected patients. Thefollowing table gives the time (in minutes) taken by each patient to get relief froma headache after taking the medicine.Drug I253842654752Drug II15211925Drug III4439545873At a 2.5 % significance level, will you conclude that the mean time taken toprovide relief from a headache is the same for each of the three drugs?Use the Critical Value Approach

sample size (n1) = 6 sample mean (x̄1) = Σx1 /n1 = 269/6=44.83 sample variance (s1)2 =…

Answered: A consumer agency wanted to find out of…

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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The prices of agricultural commodities for 1946-47 and for the inonth of Dece:mber 1950 are given below along with the value of the output of hese commodities in 1946-47: Value of outptl in million (Rs.) Prices ELIII Commodities Unit 1946-47 (Rs.) Dec. 1950 (Rs.) (1946-47) 13.75 9-70 8364 Rice Wheat Jowar maund таund 13-75 9.70 2207 6:03 8.00 876 maund 466 00 433.00 701 Cotton (raw) Tea Ibs. 1:25 1:75 534 Ibs. Calculate the weighted index mumber of prices of these commodities for December 1950 taking 1946-47 as base.
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that 34 out of 806 fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish. (a) Let p represent the proportion of all pike and trout that die (i.e., p is the mortality rate) when caught and released using barbless hooks. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 99% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit
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conditions of both the districts with reference to these two causes of death. Assume The following are the information about the number of persons who are affected by Diabetes and Lung Cancer and the number of persons died due to Find the 1llness specific death rates for the two districts. Also, compare health District A District B No. of Persons No. of Persons Cause of Death Affected Died Affected Died 20000 325 22000 400 Diabetes 19500 300 21225 380 Lung Cancer la person affected by Diabetes is not affected by Lung Cancer and vice-versa.
Please show me the answer of question 3 and 4
1.3 of your textbook about the automobile that was tested for production defects, but assume that the number of production defects is 21 and that 12 of these are classified as major defects, 11 are classified as design defects, and 6 were neither major defects nor design defects. How many of the design defects were major?
A bicycle manufacturer observes that the number of bike paths in a city affects the number of bicycles sold. The previous observations are given below. In order to realize the sale of 500 bicycles, how many bike paths should be constructed? Number of bike Number of bicycles paths sold 18 306 21 378 25 402 16 310 14 298 27 435 13 285 O a. 38.65 O b. 33.67 Oc. 10.33 Od. 17.72 O e. 10.68
Two varieties of corn are grown in 4 different locations. Each location provides a value in pounds for each variety.The table below lists the results. Find the standard error for the difference in the production of the two corn varieties to two decimal places. Variety 1 Variety 2 difference location 1 32.1 34.5 -2.4 location 2 30.6 32.6 -2.0 location 3 33.7 34.6 -0.9 location 4 29.7 31.6 -1.3 mean value 31.53 33.18 -1.65 standard deviation 1.76 1.72 0.68 1.23 0.75 0.34 0.98
Is the following variable discrete or continuous: The number of times a coin must be flipped until the first Tails is observed. Is the following variable discrete or continuous: The number of questions asked during a 1-hour review session.
2. Suppose that a group of 50 HRM students were asked whether or not they have studied Nippongo and French. The survey yield the following data: • 25 studied Nippongo • 20 studied French • 5 studied both Find the number of the students who: a. Studied Nippongo only b. Studied French only c. Studied Nippongo or French d. Did not study French e. Studied neither language

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A consumer agency wanted to find out of the mea ee brands of medicines to provide relief from a he g was administered to six randomly selected pati domly selected patients, and the third to five ran owing table gives the time (in minutes) taken by e eadache after taking the medicine. Drug I Drug II