Compared to a distribution of scores, the distribution of means has less spread because:
A) extreme scores are averaged with less extreme scores or those in the opposite direction.
B) sample size is smaller for means than for scores.
C) standard error replaces standard deviation.
D) central tendency pulls scores to the mean, resulting in less variability.

Question

Quizplus · Accepted Answer

Extreme scores tend to be averaged out with less extreme scores or those in the opposite direction when calculating means, leading to a distribution of means that has less spread compared to the distribution of individual scores. This process effectively reduces the impact of outliers on the overall distribution, making it more compact.

Compared to a Distribution of Scores, the Distribution of Means