Research shows that individuals who are physically active at a more intense level often outlive sedentary subjects by: A. 1.3 to 3.7 B. 1.7 to 3.3 C. 2.4 to 4.7 D. 3.5 to 3.7
b, 1.7 to 3.3
sedentary behavior defined as energy expenditure between 1.5-2.9MET
indicates energy consumed at lying position, seated or reclined. PA
reported as the light will be >1.5MET.
3.0-5.9MET indicate moderate
more than 6 indicate vigorous activity
<1.5 MET indicate important risk factor for CVDs.
>3MET indicate moderate to vigorous activity
Research shows that individuals who are physically active at a more intense level often outlive sedentary subjects by: A...
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. Low Moderate High Moderate Moderately Severe Severe 1.2...
The research group asked the following question of individuals who earned in excess of $100,000 per year and those who earned less than $100,000 per year: "Do you believe that it is morally wrong for unwed women to have children?" Of the 1,205 individuals who earned in excess of $100,000 per year, 712 said yes; of the 1,310 individuals who earned less than $100,000 per year, 690 said yes. 1. Construct and interpret a 95% confidence interval for the difference...
A sociologist claims that children spent more time watching television in 1981 than children do today. A study was conducted in 1981 to find the time that children watched television on weekdays. Recently, a similar study was conducted. The results of these studies (in hours per weekday are shown below. Assume the population standard deviation is 0.7 for 1981 and 0.8 for today, At a = 0.05, can you support the sociologist's claim? Complete parts (a) through (d) below. Full...
Your client, Peyton, is a 55-year old man who is interested in becoming more active. His current resting heart rate is 68 bpm. You perform a multi-stage submaximal treadmill test to assess his fitness, with the following results: Stage 1: Speed: 2.4 mph Grade: 5% Heart Rate: 120 bpm Stage 2: Speed: 3.0 mph Grade: 5% Heart Rate: 133 bpm Based on these test results, what is Peyton’s relative VO2max in each unit: A. _____________ml/kg/min ____________METS Based on these...
Who misses work more often at the ABC Company? Smokers or non-smokers? Test at .05 significance level. (3 Part Question) Summary statistics are: Smokers: Average number of days absent = 14.7; standard deviation = 5.0; n = 44 Non-Smokers: Average number of days absent = 8.3; standard deviation = 4.0; n = 60 A) Suppose you want to do a 2-tailed test. What's the critical value and region of rejection? Z = 1.96 Z = 1.645 Z > 1.96 or...
Case Study - Refeeding Syndrome A 29 year old white male on active duty in the US Marines is admitted to the emergency room with nausea, fatigue, confusion, hypothermia, and bradycardia. Two weeks prior to admission, he began feeling weaker and trailed behind other trainees during boot camp sessions. He recently spent three months in intense training as a newly recruited US marine. Three months prior to recruit training, he began a weight loss regimen in an effort to achieve...
Medical research shows that sitting for extensive periods of time in the workplace can be detrimental to employee well-being. Studies indicate that sedentary individuals can suffer higher rates of heart and cardiovascular issues, reduced decision-making efficiency, and higher incidences of diabetes and over 30 chronic ailments. Research also shows that exercise can only partially compensate for sitting too much throughout the day. Consequently, there is a growing need to address this chronic health issue in organizations. One solution that directly...
A research center conducts an extensive survey consisting of an interview and medical examination with a representative sample of about 5000 people a year. The interview includes demographic, socioeconomic, dietary, and other health-related questions. The examination consists of medical, dental, and physiological measurements, as well as laboratory tests administered by highly trained medical personnel. Describe the sample, the population, the Who and the What of this study Describe the sample and the population. Choose the correct answer below OA. The...
In a digital communication system, probability density function of the two level signal received in the receiver is: PR(v) = PS(v)*PN(v) = [0.4δ(v+1) + 0.6δ(v-4)]*η(v). And , η(v) is the noise that added to the message sign as the additive Gaussian noise with a value of zero and an effective value of 3. (* symbol means convolution process, in the solution of this problem you can use the below Q function table.) , η(v) = A) Plot the probability density...
Because many passengers who make reservations do not show up, airlines often overbook flights (sell more tickets than there are seats). A certain airplane holds 154 passengers. If the airline believes the rate of passenger no-shows is 7% and sells 166 tickets, is it likely they will not have enough seats and someone will get bumped? a) Use the normal model to approximate the binomial to determine the probability of at least 155 passengers showing up. b) Should the airline...