3. In the following example, a cohort of six individuals was followed for 100 daysafter an outbreak of a viral infection in a hospital ward. The graph below showshow many days each subject remained in the study as a non-case (notinfected). Those who completed the study as non-cases reached 100 days - therest fell ill and did become cases. Since we know person-time is used todetermine the amount of time at risk, calculate the total time contributed byall six subjects in this study.Note for submission: please make sure to include your units and interpretationin your Worksheet so you have it for review for the midterm, even if Blackboarddoesn't allow for this information to be included in your submitted answer!Calculating Person-daysF64E100D.10037551220406080100Days

Given Information: The graph represents how many days each individual remained in the study as a…

Answered: 3. In the following example, a cohort…

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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A special education teacher did research on whether or not there is a relationship between the number of students in his class and the number incidents of “acting out” behaviors exhibited by the autistic students in the classroom. He collects data for a year and aggregates them by month. He obtained the statistics below, r= -.863 R2=.74 b= -1.212294 a= 131.176598 10.) How does the presence of more students affect the incidents in the class? a) as students are added the incidences increase b) as students are added the incidences decrease c) the number of students does not affect acting out d) the number of students caused more incidents How much of the variability of acting out is explained by the number of students in the class?___________
A cohort study is conducted to assess the association between hypertension and the risk of stroke. The study involves n=1,250 participants who are free of stroke at the study start. Each participant is assessed at study start (baseline) and every year thereafter for five years. The following table displays data on hypertension status measured at baseline and hypertension status measured two years later. 2 Years: Not Hypertensive 2 Years: Hypertensive Baseline: Not Hypertensive 850 148 Baseline: Hypertensive 45 207 Compute the cumulative incidence of hypertension over 2 years. Group of answer choices 17.1%
Hi I know that you can’t answer all questions. Can you just answer question 20 please.
.A new, miracle diabetes drug that diminishes major symptoms of diabetes has been approved by the FDA. Health care professionals and researchers believe that the new drug will prolong lifespan of diabetes patients. If the population is in steady state and the incidence is constant, what will the effect of this new drug be on the prevalence of diabetes in the population? Explain.
A cohort study is conducted to assess the association between clinical characteristic and the risk of stroke. The study involves n-1,250 participants who are free of stroke at the study start. Each participant is assessed at study start (baseline) and every year thereafter for five years. The following table displays data on hypertension status measured at baseline and hypertension status measured two years later. 1. s 2 Years: Not Hvpertensive 850 45 2 Years: Hypertensive 148 207 Baseline: Not Hvpertensive Baseline: Hypertensive Compute the prevalence of hypertension at baseline Prevalence - Compute the prevalence of hvpertension at 2 vears. Prevalence - Compute the cumulative incidence of hypertension over 2 years. Incidence
Hi I know that you can’t answer all questions. Can you just answer question 21 please.
,./
. 1 A city recorded 3790 births and 1257 deaths in 2020. The city’s population was 183000. What was the crude death rate for the city in 2020. Q. 2 Among a total of 200 patients with disease A, 20 of them died from the same disease within 30 days. Find the 30-day case fatality rate.
#11
A drug used to reduce the triglyceride (TG) level in the blood was given to 80 patients for 2 weeks. TG reduction was taken as reading after-reading after for each patient. Reductions are given in the following Table 4.4 9.6 10.4 14.3 6.5 11 14 10.6 7.4 12.9 15.1 6.3 8.7 11.9 15.1 6.5 9.1 10.5 11.8 11.4 10 13.7 14.6 15.7 11 11.8 9.2 9.5 11.9 9.2 16.7 10.8 11.9 8.6 11.6 9.4 12.6 14.5 13.4 9.4 12.8 15.2 12.2 12.4 13 12.6 7 12.2 13.2 13.7 13.4 15 13.8 8.5 14.6 12.5 14.1 13.1 11.9 12.4 15.3 11.1 7.5 15 15.7 11.8 13.5 10.1 16.1 12.1 14.7 12.9 16.7 8.7 9.6 11.3 17.2 14.9 14.2 13.4 B. According to Sturges rule calculate the number of interval and interval width C. Construct Frequency distribution Table that include lower limit, upper limit, mid interval, frequency, %, Relative frequency, cumulative frequency and cumulative relative frequency. D. Make frequency distribution Curve and label each axis. Are the data normally distributed and what is the most frequent reduction
Week 10 q2 Personal wealth tends to increase with age as older individuals have had more opportunities to earn and invest than younger individuals. The following data were obtained from a random sample of eight individuals and records their total wealth (Y) and their current age (X). Person Total wealth (‘000s of dollars) Y Age (Years) X A 280 36 B 450 72 C 250 48 D 320 51 E 470 80 F 250 40 G 330 55 H 430 72 A part of the output of a regression analysis of Y against X using Excel is given below: SUMMARY OUTPUT Regression Statistics Multiple R 0.954704 R Square 0.91146 Adjusted R Square 0.896703 Standard Error 28.98954 Observations 8 ANOVA df SS MS F Significance F Regression 1 51907.64 51907.64…
A tailor must make 6 of the same size suits for a client. The first suit took 12.8 hours to make and the last suit took 8.8 hours to make. What was the tailor's learning curve % of this run of suits assuming a steady state of production is never reached? Express your answer in % to the nearest 0.1%

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