In which of the following tools would a normal or bell-shaped curve be expected if no special conditions are occurring?
A) flow chart
B) cause and effect diagram
C) check sheet
D) histogram

Question

In which of the following tools would a normal or bell-shaped curve be expected if no special conditions are occurring?​ 
A) flow chart 
B) cause and effect diagram 
C) check sheet 
D) histogram

Quizplus · Accepted Answer

A histogram is a graphical representation of a frequency distribution, where the data is divided into intervals and the frequency of occurrences in each interval is plotted. When no special conditions are occurring and the data is normally distributed, a bell-shaped curve is expected on the histogram. A flow chart, cause and effect diagram, and check sheet do not involve numerical data and therefore cannot display a normal distribution.

In Which of the Following Tools Would a Normal or Bell-Shaped