4. Epidemiology and Biostatistics

Biostatistics Basics — Quiz

Test your understanding of biostatistics basics with 5 practice questions.

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Practice Questions

Question 1

Which of the following measures is used to quantify the strength and direction of a linear relationship between two continuous variables?

Question 2

In hypothesis testing, if the p-value is $0.02$ and the significance level ($\alpha$) is $0.05$, what is the appropriate decision?

Question 3

What does a $95\%$ confidence interval for the mean weight of newborns, say $[3.0 \text{ kg}, 3.5 \text{ kg}]$, imply?

Question 4

Which of the following is the most appropriate graphical representation for displaying the distribution of a single continuous variable?

Question 5

What is the primary purpose of calculating an effect size in biostatistics?