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PUB 340 EXAM 1 Actual Questions With Correct Answers Success Guaranteed.
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In a truly normal frequency distribution - correct answer the mean is always the same as the mode and median T or F: The Zika Virus is an example of a recent epidemic - correct answer True It is report...

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  • August 17, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • pub 340 exam 1

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PUB 340 EXAM 1

In a truly normal frequency distribution - correct answer the mean is always
the same as the mode and median



T or F: The Zika Virus is an example of a recent epidemic - correct answer True



It is reported that the Pearson's correlation coefficient between two variables is zero. This implies: -
correct answer there is no linear association between the two variables



it is reported that on the basis of a sample size of 10, the 95% confidence limits for mean height are 66
and 74 inches. Assuming his calculation are correct, this result is to be interpreted as meaning: - correct
answer We have 95% confidence that the true population mean height lies
between 66 and 74 inches



A nominal scale is used for - correct answer discrete data with categories that
do not follow a natural sequence



T or F: Mode is not a measure of spread - correct answer True



T or F: An epidemic in a particular community is one that presents in excess of normal expected
frequency - correct answer True



T or F: Epidemiologists often use samples in their studies to represent populations - correct answer
True



The Epidemiologic Triad of disease causation refers to: - correct answer Agent,
Host, and Environment



John Snow's investigation of cholera is considered a model for epidemiologic field investigations because
it included: - correct answer - A biologically plausible hypothesis

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