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When the standard presumption that the plus-or-minus signs all take on the same value of +1 or all −1 is not true, then the line of text that immediately follows the equation must contain a brief description of the actual connection, if any, most often of the form "where the ‘±’ signs are independent" or similar.
The widely adopted form of two equal-length strokes connecting in an acute angle at the left, <, has been found in documents dated as far back as the 1560s. In mathematical writing, the less-than sign is typically placed between two values being compared and signifies that the first number is less than the second number.
Suppose that the entire population of interest is eight students in a particular class. For a finite set of numbers, the population standard deviation is found by taking the square root of the average of the squared deviations of the values subtracted from their average value.
where is the common aligned length of the two texts A and B, and the bracketed term is defined as 1 if the -th letter of text A matches the -th letter of text B, otherwise 0. A related concept, the "bulge" of a distribution, measures the discrepancy between the observed I.C. and the null value of 1.0.
Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.
New Jersey's 13% tax on online sports betting and 15% tax on online casino games brought in over $414 million in tax revenue last year. It has nearly matched that figure through just the first 10 ...
一割五分引き (ichi-wari go-bu biki): 15% discount; 打率三割八分九厘 (daritsu san-wari hachi-bu kyū-rin): batting average .389; With the exception of wari, these are rarely seen in modern usage. Decimal fractions are typically written with either kanji numerals (vertically) or Arabic numerals (horizontally), preceded by a decimal ...
The Russian alphabet (ру́сский алфави́т, russkiy alfavit, [a] or ру́сская а́збука, russkaya azbuka, [b] more traditionally) is the script used to write the Russian language.