Which of the following observations is an example of an inverse correlation?
A)When a population increases its daily consumption of whole-grain products,the population's frequency of daily bowel movements increases.
B)Children who consume 3 cups of vitamin D-fortified milk daily develop stronger bones than children who drink fewer than 3 cups of vitamin D-fortified milk each day.
C)Women who smoke 5 or more cigarettes each day during pregnancy are more likely to give birth to underweight babies than women who smoke fewer than 5 cigarettes a day during pregnancy.
D)As a population's dietary intake of beta-carotene increases,the population's tissue levels of vitamin A increase.

Question

Quizplus · Accepted Answer

Inverse correlation refers to a relationship between two variables where one variable increases as the other decreases. In this case, as the number of cigarettes a woman smokes during pregnancy increases, the likelihood of her giving birth to an underweight baby also increases. Therefore, option C is the correct example of an inverse correlation.

Which of the Following Observations Is an Example of an Inverse