Only I need the name no need for explanation The medical board in canada wants to determine if the new corona vaccine reduces the risk of corona in the elderly people above 60 yrs .FOr this study,the elderly people were recruited from 12 areas in toronto,Calgary and monte carlo  and were randomized to receive either the new or the standard vaccine treatment .information was collected 1 yr later  What type of study is this font explain only the correct option Cross section Case controlled cohort Ecological  Experimental study designs

Q: Define random sample. Explain why this is important in design of experiments.

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

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Q: Distinguish between observational and experimental types of studies?

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Q: Please help

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A: Solution:

Q: Is the Chebyshev's rule used only with populations? Are samples used as well?

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

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

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Q: What test can we use to determine the sample size needed?

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A:

Q: Consider a completely randomized design with four treatments A, B, C, and D, and an unbalanced…

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

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Q: use a sample to draw an inference about a population

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Q: Which are the steps involved in the construction of explanatory bivariate tables?

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Q: Which type of study uses randomized sample but not treatment? Experiments Surveys Observational…

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Q: Discuss the differences between a designed experiment and an observational study.

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Q: Margin of error and standard error are same for a specific sample. Select one: True False

A:

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