Question

A bell-shaped curve that characterizes a large sample of intelligence test scores is a graphic representation of aa.factor analysis.b.normal distribution.c.heritability estimate.d.savant syndrome.e.gfactor

Answer 1

Answer:

The answer is Normal Distribution

Explanation:

The bell-shaped curve describes a test analysis which is symmerrical in shape because of its area of concentration. A typical example can be seen in a test scores of students in a pratical examination where the bulk of the average lies in the bulged point and a few with excellent performance to the right, while other few with poor performance to the left.This explains why it assumes the shape of a bell when plotted ona graph.