13:33ull ?A alms-cdn.gelisim.edu.trexercise- A researcher wishes to try three differenttechniques to lower the blood pressure ofindividuals diagnosed with high blood pressure.The subject are randomly assigned to threegroups; the first group takes medication, thesecond group exercises, and the third groupfollows a special diet. After four weeks, thereduction in each person's blood pressure isrecorded. At a = 0.05, test the claim that there isno difference among the meaThe data areshown:- MedicationExerciseDiet106.12899.312158134.EPI8OSpring 2008

Given Medication=10,12,9,15,13 Exercise=6,8,3,0,2 Diet=5,9,12,84

Answered: exercise - A researcher wishes to try…

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 poll summarized the results of a survey of 2,400 adults and 500 teens aged 13 to 17. It was reported that 32% of the teens surveyed and 39% of the adults surveyed indicated that they believe in reincarnation. The samples were selected to be representative of American adults and teens. n USE SALT Use the data from this survey to estimate the difference in the proportion of adults who believe in reincarnation and the proportion of teens who believe in reincarnation by calculating a 95% confidence interval for the difference. (Use padults - peens: Round your answers to three decimal places.) to Interpret your interval in context. O There is a 95% chance that the true difference between the proportion of adults who believe in reincarnation and the proportion of teens who believe in reincarnation is in the interval. Because both endpoints of the confidence interval are positive, we believe that the proportion of adults who believe in reincarnation is less than the proportion of teens aged…
The results for a blood test for a certain disease are shown in the table below. Based on the table, what is the prevalence of the disease? T+ T- Total D+ 290 10 300 D- 3219 481 3700 Total 3509 491 4000 A. 0.09 0.97 O B. 0.0725 290 Screenshot
c= 0.98, o=7.3, and E= 1 Assume that a preliminary sample has at least 30 me n3= (Round up to the nearest whole number.) %3D
A population of scores with p = 38 and CT = 6 is standardized to create a new population with p = 50 and CT =10. What is the new value for each of the following scores from the original population? original score X = 26 X = 35 X = 44 X = 47
Q scores are normally distributed with μ = 100 and σ = 15. Find the IQ score separatingthe highest 4% of all scores.
Find the 5 number summary for the data shown 25 44 45 46 56 57 62 86 90 93 95 96 99 5 number summary:, , , , Use the Locator/Percentile method described in your book, not your calculator.
Dr. Smith conducts research concerning the association between deception and trust of other individuals. She recruits six subjects to take part in their study. Each subject is also asked to "list the number of times you have lied in the past week," as a measure of deception. Also, each subject is asked, "on a scale of 1 to 7 (1 being none and 7 being a lot) how much do you trust individuals?" Here is the data: Ps Deception (X) 1 2 13 st 15 16 |4 3 7 2 5 H₁: | 13 The research hypothesis is that there is an association between deception and trust of people. ♦ Step 1. Express the substantive question as two statistical hypotheses. Ho: ◄► Trust (Y) 14 14 13 ♦ (O ◆ 6 13 14
Lisa's scores on tests for the assessment class are 93, 89, 87, and 83. She needs an 89.5 average to obtain an "A" in the class. Assuming that all tests, including the final, are equally weighted, what score must she obtain on the final exam to earn an "A"? CA Vimsi l
an IQ score for which 15% of the population has higher score and 85% have lower score represents:
Marshall took the SAT ( μ=1010,σ=200) and had a raw score of 950. What was his z-score? What was his percentile? Interpret his z score. Interpret his percentile
A group of 100 people, who lived at varying distances (in kilometers) from an island nuclear power station, were asked if they thought a full evacuation of the area was required, when it went critical. The researches wanted to know if the opinion to evacuate or not depended on how far from the reactor people lived. Partial results of the questionnaire are shown in the table below. 0-3 km distance 3 -6 km distance 6 -9 km distance 9- 12 km distance Totals Evacuation needed X X X 51 Evacuation not X X XX needed Totals 28 28 23 XX XX You are doing a Chi Square test for independence. What is the expected value of the number of people living within a radius of 0-3 km who would say that evacuation was needed? XX denotes row/column totals. Give your answer to 2 decimal places.
A team of pharmacists was researching two sleeping pills they were developing. 20 individuals took part in the study and they were randomly divided into two groups and one group received sleeping pills 1 and the other group sleeping pills 2. The pharmacists then measured how long the individuals slept after ingestion. The data can be seen below: SLEEPING MEDICINE 1 SLEEPING MEDICINE 2 9.2 6.8 7.4 6.2 10.1 8.1 6.8 7.2 9.1 5.8 8.2 8.8 9.2 6.2 8.8 7.1 7.6 7.3 8.8 6.9 Let us now assume that the assumptions that need to apply can be used in a study such as this to confirm the efficacy of the drugs. Examine with an appropriate hypothesis test whether there is a difference in mean sleep duration after taking the two drugs. In the event that you need to check whether the distribution in the two groups can be assumed to be the same, it is sufficient to use the rule of thumb to determine this. Sleep duration can be assumed to follow a normal distribution. Use a = 0.05. Show all six steps. Please…

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