In a normal distribution, what share of values lies within one standard deviation of the mean?
AAbout 50%
BAbout 68.3%
CAbout 95.4%
DAbout 99.7%
Answer & Solution
Correct answer: B. About 68.3%
For a normal curve roughly 68.3 percent of values fall within one standard deviation.
Keep practising Arithmetic Mean
Browse all Arithmetic Mean questions for SSC CGL, or explore more Quantitative Aptitude topics.
Related questions
Which average is described as the middle value after sorting?A weighted mean differs from a simple mean because some valuesPer capita income of a nation is an example of which statistic?The mode of a data set is the value thatIn a moderately skewed unimodal distribution, the median usually liesFor data in an arithmetic progression, the relation between mean and median is thatThe mean of any sample always liesFor an even number of ordered observations, the median is