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?