A population has SS = 100 and Ϭ² = 4.How many scores are in the population?
A)25
B)26
C)200
D)400

Name: A population has SS = 100 and Ϭ² = 4.How many scores are in the population? A)25 B)26 C)200 D)400
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Question

Quizplus · Accepted Answer

The formula for variance (σ²) is SS/N, where SS is the sum of squares and N is the number of scores. Given SS = 100 and σ² = 4, solving for N gives N = SS/σ² = 100/4 = 25.

A Population Has SS = 100 and Ϭ² = 4