Search results
Results from the WOW.Com Content Network
Chi or X is often used to abbreviate the name Christ, as in the holiday Christmas . When fused within a single typeface with the Greek letter rho , it is called the Chi Rho and used to represent the person of Jesus Christ.
The following pronunciation respelling key is used in some Wikipedia articles to respell the pronunciations of English words. It does not use special symbols or diacritics apart from the schwa (ə), which is used for the first sound in the word "about". See documentation for {} for examples and instructions on using the template.
The voiceless uvular fricative is a type of consonantal sound that is used in some spoken languages.The symbol in the International Phonetic Alphabet that represents this sound is χ , the Greek chi.
The term chi-square, chi-squared, or has various uses in statistics: chi-square distribution, a continuous probability distribution; chi-square test, name given to some tests using chi-square distribution; chi-square target models, a mathematical model used in radar cross-section
Square brackets are used with phonetic notation, whether broad or narrow [17] – that is, for actual pronunciation, possibly including details of the pronunciation that may not be used for distinguishing words in the language being transcribed, but which the author nonetheless wishes to document. Such phonetic notation is the primary function ...
It is also used in broad transcription instead of the symbol χ , the Greek chi, for the voiceless uvular fricative. There is also a voiceless post-velar fricative (also called pre-uvular) in some languages, which can be transcribed as [x̠] or [χ̟]. For voiceless pre-velar fricative (also called post-palatal), see voiceless palatal fricative.
A chi-squared test (also chi-square or χ 2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables ( two dimensions of the contingency table ) are independent in influencing the test statistic ...
The simplest chi-squared distribution is the square of a standard normal distribution. So wherever a normal distribution could be used for a hypothesis test, a chi-squared distribution could be used. Suppose that Z {\displaystyle Z} is a random variable sampled from the standard normal distribution, where the mean is 0 {\displaystyle 0} and the ...