Answer :
Final answer:
In a normal distribution, 68% of the values are within one standard deviation from the mean. This is part of the empirical rule or 68-95-99.7 rule in statistics.
Explanation:
The concept being asked about in this question is related to normal distribution which is a concept in statistics. In a normal distribution, about 68% of the values lie within one standard deviation from the mean. So the answer is B) 68. This principle is known as the empirical rule or the 68-95-99.7 rule, signifying that about 68% of values fall within 1 standard deviation, 95% within 2 standard deviations, and 99.7% within 3 standard deviations.
Learn more about Normal Distribution here:
https://brainly.com/question/30390016
#SPJ11
