A researcher measures the weight (in ounces)of newborn infants in the month of March.What type of graphical display would be most appropriate for summarizing the frequency of infants falling into different intervals of weight?
A) histogram
B) bar chart
C) scatter gram
D) all of these

Question

Quizplus · Accepted Answer

A histogram is the best choice for summarizing the frequency of infants falling into different intervals of weight, as it displays the distribution of a continuous variable (weight in this case) by grouping data into bins or intervals and showing the frequency of observations falling into each bin. A bar chart would be appropriate if the variable was categorical, but weight is a continuous variable. A scatter plot would be appropriate if the goal was to plot the relationship between two continuous variables, but here we are only interested in summarizing the frequency of one variable.

A Researcher Measures the Weight (In Ounces)of Newborn Infants in the Month