Table 2: Test ResultsDiabeticNot DiabeticPositive to urine test, negative to blood73Positive to blood test, negative to urine2311Positive to both tests457Negative to both tests1247,620ТОTAL1997,641a. How do the sensitivity or specificity of each combination of the tests changewhen compared with single test?b. assuming you are the harried director of the diabetes screening program, whichtest or combination of tests would you prefer to use?

Given information: Test Results Diabetic Not Diabetic Positive urine test, Negative to blood 7…

Answered: Table 2: Test Results Diabetic Not…

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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Find ∑x. x 0.002 0.017 0.105 0.219 0.411 Question content area bottom Part 1 ∑x= enter your response here (Type an integer or a decimal. Do not round.)
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Researchers wanted to know the effectiveness of a new allergy medicine. A study was conducted on 500 adults who experience allergy symptoms. Each adult was randomly assigned to receive the new allergy medicine or a placebo. Researchers recorded whether or not their symptoms improved within 1 week. a. Complete the two-way table summarizing the findings. Allergy Medicine Placebo Total Symptoms Improved 85 80 Symptoms DidNot Improve Total 215 285 500 b. Use the study results to complete the following. Round your answer to the nearest tenth of a percent, as needed. Notice the percent sign is already included, so you just need to type the number. What percent of the adults in this study were given the new allergy medicine? % What percent of those who experienced improvements received the allergy medicine? % What percent of those who received the allergy medicine experienced improvements? % What percent of those who did not received the allergy…
C. -2.3418 O d. None of the answers is correct O e. -2,3568 QUESTION 12 The Global Business Travel Association (GBTA) reported the domestic airfare for business travel for the current year and the previous year. Below is a sample of 6 flights with their domestic airfares (in $) shown for both years. Suppose GBTA wished to see if the average airfare for the current year is greater than the average airfare for the previous year at a=.025. Current 333 733 534 430 233 638 Previous 321 725 530 433 223 627 For the hypothesis stated above, what is the P-value? O a. 01 < P-value <.025 Ob. .001 < P-value <.005 O c. 95 < P-value < .975 O d. None of the answers is correct O e. .025 < P-value < .05 QUESTION 13 Save All Answer Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Pro DD F9
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A local health department believes that a store is merchandising its cereal aisle in a way that puts sugary cereal brands at eye level for children. The store claims that it is not considering sugar content and is stocking the shelves based on other factors. An inspector visited the store and recorded the sugar content per serving listed on the boxes (sugar content for each box is listed under the shelf where that box of cereal is located). Shelf 1 Shelf 2 Shelf 3 Shelf 4 7 13 6 10 8. 5 14 7 8 11 11 10 11 3 a) What are the treatment groups, and how many experimental units are there per treatment? b) If instead of using the content listed on the box, the inspector sampled from multiple boxes of each brand of cereal and tested them for sugar content. How many experimental units were there be if there were 10 boxes per brand on the shelf? Explain your answer. [hint: all the boxes for each brand will be in one place] c) State the null hypothesis and create an ANOVA table based on sugar…
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