Research Design and Analysis
-Erin surveyed the age of students in her 1st grade class and created a graph to organize her findings. Most of the students were six years old, but a few were five and a few were seven. When she graphed these findings, her graph looked like a bell shaped curve. What type of distribution does this describe?

Question

Quizplus · Accepted Answer

The normal distribution, also called the normal curve, is a mathematical distribution with the majority of results in the middle and some on either end. Some small studies do not produce a normal curve, but it is believed that with a large enough sample, all studies can produce a normal curve.