A serious drought-related problem for farmers is the spread of aflatoxin, a highly toxicsubstance caused by mold, which contaminates field corn. In higher levels ofcontamination, aflatoxin is hazardous to animal and human health. Officials of the FDAhave set a maximum limit of 20 parts per billion aflatoxin as safe for interstate marketing.Three sprays A. B. and C, have been developed to control aflatoxin in field corn. Todetermine whether differences exist among the sprays, ten ears of corn are randomlychosen from a contaminated corn field, and each is divided into three pieces of equal size.The sprays are then randomly assigned to the pieces for each ear of corn, thus setting up arandomized block design. The accompanying table gives the amount (in parts per billion)of aflatoxin present in the corn samples after spraying. Use the Friedman test based onF, to determine whether there are differences among the sprays for control of aflatoxin.Use α = .01.234567899ANDERSEGIEar110Α212916201351826174SprayB23301919101218322010C15211818146122192

Step No: 2 Ear\ Spray A B C 1 21 23 15 2 29 30 21 3 16 19…

Answered: maximum limit of 20 parts per billion…

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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C. If you have only the marginal totals, how can you determine frequencies for each cell that make the variables independent?
17.) What is the skew of the following data set X = [4; 5; 5; 6]?
Mr Sharma wants to assess if the time taken to complete a job by 3 different machines is significantly different at 5%. As he thought the worker may also impact the time taken hence he used 4 different workers and randomly assigned them to machine and jobs such that each worker works on each machine. State the hypothesis for Mr Sharma. Complete the table below and help Mr Sharma get the answer of the questions). Source of Sum of Squares Degrees of freedom Mean Square F Ratio Variation Between Workers 138.667 Between Machines 11.08 Residual Errors Total 166.667
Four machines M - Mawere each made with three different components B - Bg fitted. The average production capacities [kg / h] of the machines were determined for each component during a test phase. The following values were measured: machine 3 4th B 7.07 8.24 8.43 9.2 B2 9.1 7.98 8.87 8.11 6.07 7th 5.98 6.36 Determine whether there are significant differences in terms of components or machines and calculate the effect sizes, Normal distribution with the same variance can be assumed. Note: q = 14.9477, 1 = 11.0648, 9a =3.5125 Name of the test procedure: O One-way analysis of variance Ot-test for independent samples with homogeneous variances O Two-factor analysis of variance with repeated measures O Two-factor analysis of variance without repetition of measurements Significance level: O 0.5 O 0.05 O 0.01 Overall hypothesis H: O There are no significant differences in terms of components and machines O There are no significant differences in terms of components or machines O There are no…
It the weights of students in U.OJ. are bell-shaped. We take a sample of 4200 students with mean 75 kgs and variance 9 kgs. Find the weight for which 2100 students are smaller? Select one Oa 72 Ob70 O 75
11. Suppose average weight in Louisiana is 185 pounds. Suppose that John randomly selects 100 Louisianans, asks their weight, and averages the 100 numbers. Suppose that Julia does the same thing, only she asks 1,000 Louisianans instead of 100. Explain precisely, in a paragraph or so, what the Law of Large Numbers would tell you to expect about the average weights that Julia and John will calculate from their respective samples.
5
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2. According to World Health Organization (WHO), the recommended limit for a noise level inside a classroom is 35 dBA. However, nine out of ten schools fail to meet this recommendation. A researcher wishes to conduct a study relevant to the prior information, but as a gap, he decides to include the area (in square meters) of every classroom and how it could possibly affect the resulting noise level. He selects 17 classrooms at random, and the noise levels are recorded in the next slide. a. Find the regression equation and construct the scatter plot diagram. b. Predict the noise level if a classroom has an area of 85.97 m². c. Calculate the coefficient of determination and interpret the findings. d. Calculate the coefficient of alienation and interpret the findings.
1. Big Blossom Greenhouse was commissioned to develop an extra large rose for the Rose Bowl Parade. A random sample of blossoms from Hybrid A bushes yielded the following diameters (in inches) for mature peak blooms.

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