Table 2. DM Among Participating Men and Women Aged 30-59 Years at Exam 1: The Cross-sectionalStudy (100% Participation aged 30-49; 50% Participation Aged 50-59).Age GroupPopulationCases of DM30-3940-4950-59Total1,8691,742??B. Refer to the following data from a Cohort study:With Lung Cancer5009001,400SmokerNon-smokerTotalCalculate and interpret the following:1. Risk difference2. Population attributable fraction3. Attributable number817??Without Lung Cancer9,50089,10098,600Prevalence per 1,000population??Total10,00090,000100,000Replac

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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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d. Check that calculating appropriate weighted average of your answers in parts b and c gives the answer you found in part a
At the beginning of 2018, a survey showed that a country with a total land area of 500,500 square kilometers had a population density of 483.3 per square kilometer. What was the total population during the survey? A. 96, 563,436 B. 182,086,700 C. 241,891,650 D. 350, 830,401 If the birth rate was 1.3%, how many individuals were born that year? A. 2,683,450 B. 3,144,591 C. 11,320,505 D. 22,463,682 If 612,300 individuals died on the same year, what was the death rate? A. 0.25% B. 0.5% C. 1.5% D. 2%
1. Calculate the water content (% by weight) of the sample.
What is the most common method to renew vehicleregistration? In checking a random sample of 650 motor vehicle renewal registrations in one county, thefinance department found that 300 were mailed, 240were paid in person at the county finance departmentoffice, and the remainder was paid online at the county’s Web site. Phone registration renewals were notavailable.a. Estimate the population proportion to pay for vehicle registration renewals in person at the countyfinance department office. Use a 90% confidencelevel.b. Estimate the population proportion of online renewals. Use a 95% confidence level.
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In order to gauge public opinion about how to handle Iran's growing nuclear program, a research group surveyed 996 American men by telephone and asked them to rate the threat Iran's nuclear program poses to the world on a scale of 1 to 10. Describe the population, sample, population parameters, and sample statistics Identify the population in the given problem. Choose the correct answer below. O A. The 996 American men surveyed by telephone O B. Half of all American men O C. All American men O D. Some of the 996 American men surveyed by telephone Identify the sample for the given problem. Choose the correct answer below. O A. Half of all American men O B. The 996 American men surveyed by telephone C. All American men O D. Some of the 996 American men surveyed by telephone Identify the population parameter in the given study. Choose the correct answer below. O A. The mean threat rating of all American men on Iran's nuclear program O B. The mean threat rating on Iran's nuclear program of…
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C6. How many hours per week do you spend on e-mail? Data are presented here for a GSS sample of 99 men and women, who each reported the number of hours they spent per week on e-mail. a. Compute the cumulative frequency and cumulative percentage distribution for the data. b. What proportion of the sample spent 3 hours or less per week on e-mail? C. What proportion of the sample spent 6 or more hours per week on e-mail? d. Construct a graph that best displays these data. Explain why the graph you selected is appropriate for these data. E-mail Hours per Week Frequency 19 20 1 13 2 2 4 6. 6. 2 8. 1 6. 23 10 or more 7.
The process of using sample statistics to make conclusions about population parameters is called Select one: O a. descriptive statistics O b. statistical inference c. sample survey O d. population census

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B. Refer to the following data from a Cohort study: With Lung Cancer 500 900 1,400 Smoker Non-smoker Total Calculate and interpret the following: 1. Risk difference 2. Population attributable fraction 3. Attributable number Without Lung Cancer 9,500 89,100 98,600 Total 10,000 90,000 100,000