Alphabetical Statistical Symbols : Data Science ...
Alphabetical Statistical Symbols:
Symbol
a b
Text Equivalent
B (n, p)
Binomial distribution with parameters n and p
c
Cn r
n-c-r
Cn,r
n-c-r
Cov (X, Y) Covariance between X and Y
Meaning
Formula
Y- intercept of least square regression line Slope of least squares regression line
Discrete probability distribution for the probability of number of successes in n independent random trials under the identical conditions. Confidence level
Combinations (number of combinations of n objects taken r at a time) Combinations (number of combinations of n objects taken r at a time) Covariance between X & Y
a = y bx , for line y = a + bx
b = (x x)( y y) for line y = a + bx 2 ( x x)
If X follows B (n, p) then,
C P (X = r) = n pr (1 p)nr , r Where, 0 < p ................
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