Which one of the following graphs would be used as a preliminary step in correlational analysis?
A) bar graph
B) scattergram
C) line graph
D) frequency distribution graph

Question

Quizplus · Accepted Answer

A scattergram is the best choice for a preliminary step in correlational analysis because it displays the relationship between two variables by plotting each observation as a point on a graph. This allows for a visual assessment of the strength and direction of the relationship before any formal statistical analysis is conducted. The other options, such as a bar graph, line graph, or frequency distribution graph, are not as useful for identifying correlations between variables.

Which One of the Following Graphs Would Be Used as a Preliminary