A researcher wants to determine how many participants will take less than 24 s to complete a cognitive performance task.If he constructs a frequency distribution for these data,what type of distribution would be most appropriate to answer his question?
A) a simple frequency distribution
B) a relative frequency distribution
C) a cumulative frequency distribution from the bottom up
D) a cumulative frequency distribution from the top down

Question

Quizplus · Accepted Answer

A cumulative frequency distribution from the bottom up would be most appropriate to determine the number of participants who took less than 24 s to complete the task. This type of distribution allows for easy determination of the total number of participants falling into a specific range of times or below a certain cut-off time.

A Researcher Wants to Determine How Many Participants Will Take