Assuming a normal distribution of 1000 cases,how many cases will be within$\pm$1 standard deviations of the mean?
A)at least 500
B)about 3
C)about 680
D)it's impossible to estimate

Question

Quizplus · Accepted Answer

According to the empirical rule, approximately 68% of the data falls within 1 standard deviation of the mean (F1). Therefore, roughly 68% of the 1000 cases, or about 680 cases, will fall within F1F1F1S1F1F1F101 standard deviations of the mean.

Assuming a Normal Distribution of 1000 Cases,how Many Cases Will ±\pm±

Assuming a Normal Distribution of 1000 Cases,how Many Cases Will $\pm$