to study a presumed inverse relationship between black tea consumption and cardiovascular disease, investigators randomly selected a sample of 13,500 subjects, 50 - 64 years of age, and queried them about tea consumption and current treatment for cardiovascular disease between January 2021 and September 2021. No significant association was found between drinking black tea and having cardiovascular disease. What is the study design?

Q: How many females and males of the sample have satisfying non- academic performance inspite of having…

A: Given information: Total population of first-year optometry students from DDC = 65 20% of the sample…

Q: To study the effects of music on sleep quality in adults 18 years or older, 100 adults were given…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A 2016 Pew Research poll found that 18% of cell phone owners use their phone for conducting…

A: It is given that the total number of cell phone uses are 18%, thus the population proportion is…

Q: is the study of Kao Adlaf Lee Gliksman Demers and Wechsler 2002 an example of an experiment study

A: A research study comparing alcohol use for college students in the United States and Canada reports…

Q: Construct a 2 x 2 table based on the data provided

A: Here The 5-year incidence of cardiovascular disease (CVD) in relation to smoking status was…

Q: The Human Resources Department is studying absenteeism with employees. They have noticed an…

A: The data for number of absence before and after the fitness program is given…

Q: 4. In a study at a hospital, 60 out of 120 smokers and 80 out of 200 nonsmokers were found to have…

A: Formula : Test statistic

Q: Passive exposure to environmental tobacco smoke has been associated an increased frequency of…

A: Dear Student, As per the guidelines , I can solve only the first three subparts. Kindly repost the…

Q: ciologists published a study on the link between the level of masculinity and criminal behavior in…

A: There are about 1179 violent events and 531 events in which violence was avoided.MFS scores ranged…

Q: A study of the relationship between blood pressure and cholesterol level showed the following…

A: Let A = have high cholesterol       B = Have high blood pressure Give that, we can write as…

Q: Studies have suggested that alcohol abuse and disorders are found to be more prevalent during early…

A: a)   Denote p1, p2 as the true population proportions of young adults who have consumed alcohol and…

Q: s study the relationship between interpersonal violence and health in colege age women. The research…

A:

Q: Benzene is a pollutant that, according to studies, can be associated with health problems. Benzene…

A: Formula :

Q: To investigate the risk factors associated with developing gestational diabetes mellitus (GDM), 4320…

A: Given information isGDM : n1 = 633 s1 = 5.16And Non GDM : n2 = 3687 s2 = 5.21

Q: Do sports drinks help prevent cramps in endurance sports? At the end of a marathon, officials will…

A: Observational study: In observational study, the individuals of the study are observed by the…

Q: Researchers Regine Dilla and associates wanted to determine whether consumption of cola is…

A:

Q: Sociologists published a study on the link between the level of masculinity and criminal behavior in…

A: (a) In the given case, the target parameter is given by μ1-μ2 because we want to compare if there is…

Q: In a study of 301 Hispanic women living in San Antonia, Texas, one variable of interest was the…

A: Given information Sample size n= 301 women No of women classified in the IFG stage x= 24 Population…

Q: A study examining the relationship between pre-diagnosis physical activity and cancer enrolled a…

A: Given information: Total no. Persons at risk=538  No. of cases diagnosed at first year=13  No. of…

Q: Stacy conducts a study to look at the effects of season (fall, winter, spring, summer) and type of…

A: Two way ANOVA:   From the given information, the data view of the given variables is,     fall…

Q: A recent study randomly selected women from various countries around the world and collected…

A:

Q: Sociologists published a study on the link between the level of masculinity and criminal behavior in…

A: a. Denote μ1, μ2 as the mean MFS score for the violent-event group and mean MFS score for the…

Q: I’m being asked to construct an anova table to compare the effects of three drugs, drug a(control) ,…

A: The provided information is as follows:The objective of the given example is to determine which…

Q: Is there a relationship between autism and what an infant is fed? To determine if there is, a…

A: Solution: The claim is to test if the data provide enough evidence to show that that what an infant…

Q: Recent reports suggest that children who grow up with family members who use drugs are more likely…

A: From the given information we conduct chi squared test.

Q: A researcher was interested in studying how gender (male vs. female) and age (younger vs. older)…

A: Given: A researcher was interested in studying how gender (male vs. female) and age (younger vs.…

Q: A researcher studying psychological well-being between those with depression, anxiety, or mood…

A: Given Information- Number of individuals for each type of psychological well-being are Depression =…

Q: The article "Display of Health Risk Behaviors on MySpace by Adolescents"+ described a study in which…

A: (a) The study described is an observational study.Explanation: In an observational study,…

Q: In the study of Xu et al. (2018), risk factors of thyroid carcinoma were identified and results are…

A: Given that: Variable Odd Ratio (OR) 95% CI p value BMI, kg/m2 1.032 0.924-1.152…

Q: The article “Developing a Tool to Measure the Factors Influencing Nurses' Enjoyment of Nursing” (L.…

A:

Q: Does support for assisted suicide (“death with dignity”) vary by social class? Is this relationship…

A: Given the data asMexicoLower ClassWorking ClassMiddle ClassUpper…

Q: A group of health conscious researchers were interested in ways to lower blood pressure.  The study…

A: Correct option is ( a ) that is one way anova. Here only effect of drug is considered for studying.…

Q: 2. In studying the effect of a drug for treating patients with respiratory problems, a researcher…

A: The Following data is given:   Respiratory Test 2   3.4   3.4   3.3   3.4   3.3   3.3…

Q: Whirling disease is a deadly disease that affects trout in Montana riversIn a follow-up to a 2006…

A: The relative risk of whirling disease for rainbow trout compared to brown trout can be calculated as…

Q: As men age, their testosterone levels gradually decrease. This may cause a reduction in energy, an…

A: Here, we are given a study of 237 men aged 60 to 80 years with low or low normal levels of…

Q: One study of cell phones and the risk of brain cancer looked at a group of 469 people who have brain…

A: The study was done to know if the use of cell phones and the risk of brain cancer are associated…

Q: A sports psychologist studied the effect of a motivational program on number of injuries in one year…

A: Given that: P-value for main effect of sports =0.024

Q: (a-1) Specify the decision rule. (A negative value should be indicated by a minus sign. Round your…

A: