Which of the following is true for most distributions?
A)Around 30% of the scores will be located within one standard deviation of the mean.
B)Around 50% of the scores will be located within one standard deviation of the mean.
C)Around 70% of the scores will be located within one standard deviation of the mean.
D)Around 90% of the scores will be located within one standard deviation of the mean.

Question

Which of the following is true for most distributions?​
A)Around 30% of the scores will be located within one standard deviation of the mean.​
B)​Around 50% of the scores will be located within one standard deviation of the mean.
C)​Around 70% of the scores will be located within one standard deviation of the mean.
D)​Around 90% of the scores will be located within one standard deviation of the mean.

Quizplus · Accepted Answer

The Empirical Rule states that for a normal distribution, approximately 68% of the scores fall within one standard deviation of the mean. While most distributions are not perfectly normal, they often follow a similar pattern, making choice C the best option.

Which of the Following Is True for Most Distributions?​

Which of the Following Is True for Most Distributions?