chi is a chinese word, roughly meaning "life energy"
or
chi is the 22nd letter of the Greek alphabet. The lower-case letter χ is used as the symbol for the Chi-square distribution or Chi-square test in statistics.
chi is a chinese word, roughly meaning "life energy"
or
chi is the 22nd letter of the Greek alphabet. The lower-case letter χ is used as the symbol for the Chi-square distribution or Chi-square test in statistics.