/-Question arent results. What difference(s) in the structure of the graphs are causingthis? Is one structure necessarily better than the other?AZ Cumulative Coronavirus Cases80OKGOOKADDK300K200K100KOctober2021AprilApriljulyDate, Grouped by MonthAZ Cumulative Coronavirus Cases100K100010010AprilJulyoaoberApril2021Date, Grouped by Monthod 0

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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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5. Certified Reference Materials (CRM) are prepared in ISO17025 accredited laboratories and sold for the purpose of device calibration. Under some standards the ISO17025 labs must measure their CRM product using two different assay methods that must agree with each other to within some specified amount. The Excel data file contains the assay results from two such methods. a. Perform the two-sample t test for Hoμ₁ =μ2 versus H₁ μ₁ μ2. 10ppm b. Perform a two-sample equivalence test of Ho |Aμ| > 6 versus Ho|Aµ| < d using 6 = and show the equivalence test plot. In the Options submeu choose the (1 - 2α) confidence interval method. c. Explain how the two tests are different from each other.
1. Repeat the steps from tab #1 using this data to construct a scatter plot graph and calculate the correlation coefficient R. (Recall the correlation coefficient is R and not R2) Principals x Teachers y 77.8 43.7 78.4 43.8 80.8 45.0 80.5 45.6 R=0.997497 81.5 45.9 2. Does the R value represent a positive, negative or no correlation between the salaries of the teachers and principals? As teacher salaries increase, what happens to 84.8 48.2 87.7 49.3 prinicipal salaries? 91.6 51.3 93.6 52.9 3. Write the equation of the regression line for the data below. The equation is y= 95.7 54.4 95.7 54.2 4. Use the regression equation that you found in exercise #3 to predict the average annual salary of public school classroom teachers when the average annual salary of public school principals is $139,723. Show your work in the cells to the right. (Be careful when entering the x-value in the equation. The table shows numbers that have been adjusted in terms of the thousands. Example: if the salary…
The table shows the leading causes of death in a certain country in a recent year. The population of the country was 311311 million. If you lived in a typical city of 500,000, how many people would you expect to die of cancercancer each year? Cause Deaths Cause Deaths Heart disease 596 comma 700596,700 Alzheimer's disease 84 comma 90084,900 Cancer 575 comma 300575,300 Diabetes 73 comma 40073,400 Chronic respiratory diseases 143 comma 100143,100 Pneumonia/Influenza 53 comma 40053,400 Stroke 128 comma 600128,600 Kidney disease 45 comma 30045,300 Accidents 122 comma 500122,500 Suicide 38 comma 60038,600 About people would be expected to die of cancer each year. (Type a whole number. Round to the nearest person as needed.)
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9
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