Mathematics, 21.01.2021 22:40 shotocaffe
A researcher is looking at the relationship between periodontal disease and hypertension in a population of men and women. He/she decides to collect relevant information on the following variables as potential confounders in the investigation: gender (M/F), education status (High School), annual income ($), health status (dissatisfied, somewhat dissatisfied, somewhat satisfied, satisfied), Body Mass Index (weight kg/height m^2). Describe each of the relevant co-variables as ordinal, categorical, or quantitative.
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What is the value of x enter your answer in the box (3x+50
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Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.
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How do you find percent change? ? i will give brainliest for the bestme i don’t understand
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A researcher is looking at the relationship between periodontal disease and hypertension in a popula...
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