1. State whether it will experimental or observational 2. If observational, identify which type specifically (retrospective cohort, prospective cohort, case-control, cross-sectional, ecological) 3. Briefly explain how you can tell what type of study it is. We will get the age-adjusted incidence rates of kidney disease in 30 different countries and compare those with the rates of BZD consumption per capita (total usage in country/total population of that country). We will then check to see if there is a correlation between the BZD consumption and kidney disease.

Q: The data in the table below is from a cohort study conducted to investigate if there is an…

A: The data in the table below is from a cohort study conducted to investigate if there is an…

Q: Data table for Liver Cancer Liver Cancer Exposure to solvents Yes No Total 3 104 107 2 601 603 Yes…

A: Risk ratio is a measure that used to measure the exposed among the disease. Risk ratio is calculated…

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A: The data collected in a biostatistics study can be applied to any population regardless of race,…

Q: rue or False. It is important for researchers to account for the loss of participants during…

A: When estimating sample size, it is not important for researchers to account for attrition or loss…

Q: 2. A researcher suspects that the actual prevalence of ġeheľa adolescents is higher than the…

A: 2.

Q: Distinguish between observational and experimental types of studies?

A: An observational study is a study in which researchers simply collect data based on the data…

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A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Ti Ži Si 2

A: The data set for three groups are given.

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A: Given that: Old drug New drug Successes 419 Successes 261 Observations 500 Observations 300…

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A: Calculating crude death rate is more appropriate when we are considering the population of interest…

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A: Given: You have been hired as a consultant for Technology Company. Create a study which would look…

Q: Which type of research would you be conducting on this research question? Select one.

A: Given: Among the types of nursing homes that have existed in my town over the past five years, which…

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A: Control chart basics: Control chart consists of 3 lines, the center line control limit represents…

Q: What is the best statistical method to use when measuring two nominal level variables? Why?

A: Nominal scales are used, without any quantitative significance, to label variables. One might…

Q: give one disadvantage of using experience sampling and one advantage of using correlational methods…

A: Disadvantage of using experience sampling Despite the strengths and promise of this method, there…

Q: If you are analyzing statistical data from a range of percentages of participant responses and…

A: If you are analyzing statistical data from a range of percentages of participant responses and…

Q: Mention some of the factors that affect choosing a sample over a population when conducting a…

A: It is an important part of statistics. It is widely used.

Q: 6. Using the data from Table 1 in the paper, suppose we can create the results for the main exposure…

A:

Q: When calculating effect size is it possible for a very small treatment effect to be a statistically…

A: A check for hypothesis usually decides whether the effect of treatment is greaterthan chance,…

Q: What is the difference between testing hypothesis on a population and testing hypothesis when…

A: Statistical hypotheses testing:   Hypotheses testing is used to make inferences about the population…

Q: Describe the assumptions for ANOVA and explain how they may be diagnosed.

A: Introduction :-  There are some assumptions made to conduct ANOVA. We have to describe them and to…

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A: Social scientists often perform qualitative research.

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A: Given: n = 8 μ = 27 thousand α = 0.10 Formula Used: Test-statistic t = X-μsn

Q: 6. Which of the graphical procedures for qualitative data do you prefer? Why?

A: The qualitative data is the data which cannot be expressed in the numbers. For example: gender,…

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A: Formula used:  SS for pet type = total - within - pet x Brew                              - Brew…

Q: he effect of the effect size on Type II errors.

A: Type II error is defined as the probability of accepting the null hypothesis when it is actually…

Q: among federally funded high schools. The response variable is MathAch where higher scores are…

A: *Answer:

Q: Why is it important to include a test of effect size when reporting our statistical test results?

A: Effect size:-   effect size is a quantitative measure of the magnitude of the experimenter…

Q: 5. Compare ANOVA and regression.

A: We have to find difference between ANOVA and Regression...