standard deviation
noun
1
: a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution
also
: a similar quantity found by dividing by one less than the number of squares in the sum of squares instead of taking the arithmetic mean
2
: a parameter that indicates the way in which a probability function or a probability density function is centered around its mean and that is equal to the square root of the moment in which the deviation from the mean is squared
Examples of standard deviation in a Sentence
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Of the above group of sluggers, Judge, Soto and Stanton all posted average liner authority marks over two full standard deviations above league average.
—
Tony Blengino, Forbes, 8 Jan. 2025
To observe the frequency distributions of the sentences, the Herald checked central tendency measures like medians, modes and standard deviations.
—Shirsho Dasgupta, Miami Herald, 8 Jan. 2025
Here are the average breath-hold times (BHT), plus and minus standard deviations, for the five holds:
This progression is partly a result of the spleen’s extra red blood cells in action.
—Alex Hutchinson, Outside Online, 16 Dec. 2024
In 1972 alone Allen was 2.62 standard deviations above league average OBP and 3.36 standard deviations above league average SLG for a total of 5.98.
—Tony Blengino, Forbes, 10 Dec. 2024
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Tony Blengino, Forbes, 8 Jan. 2025
To observe the frequency distributions of the sentences, the Herald checked central tendency measures like medians, modes and standard deviations.
—Shirsho Dasgupta, Miami Herald, 8 Jan. 2025
Here are the average breath-hold times (BHT), plus and minus standard deviations, for the five holds:
This progression is partly a result of the spleen’s extra red blood cells in action.
—Alex Hutchinson, Outside Online, 16 Dec. 2024
In 1972 alone Allen was 2.62 standard deviations above league average OBP and 3.36 standard deviations above league average SLG for a total of 5.98.
—Tony Blengino, Forbes, 10 Dec. 2024
See all Example Sentences for standard deviation
Dictionary Entries Near standard deviation
Cite this Entry
“Standard deviation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/standard%20deviation. Accessed 18 Jan. 2025.
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