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Correlation coefficient.
Uses aand b to calculate predicted x value
when you input ay value.
Uses aand b to calculate predicted y value
when you input an xvalue.
x (2-VAR)
r
y (2-VAR)
Probability
Calculatesthenumberofpossiblepermutations
of itemstaken at atime, given and .The
order ofobjectsis important, asin arace.
n r n r
nPr
Calculatesthenumberofpossiblecombinations
of itemstaken at atime, given and .The
order ofobjectsis notimportant, asin ahand
of cards.
n r n r
nCr
Afactorialistheproductofthepositiveintegers
from1to . mustbeapositivewholenumber
69.
n n
!
Generates arandom real number between
0 and 1.Tocontrol a sequence of random
numbers, store an integer (seed value) 0
to rand. The seed value changes randomly
every time arandom number is generated.
RAND
Generates arandom integer between 2
integers, and , where RANDI .
Separate the 2 integers with a comma.
A B A B
RANDI