User Manual
n
Σ(ln x
i
)
2
-
(Σln x
i
)
2
n
•
A = exp
Σln y
i
n
- B
Σln x
i
n
•
= Ax
B
Standard Error of the Mean
•
S
x
=
S
x
S
y
=
S
y
Mean, Standard Deviation, Standard Error for Grouped Data
•
mean
=
Σf
i
x
i
Σf
i
•
standard deviation S
x
=
•
standard error
=
Personal Finance
Tax-Free Retirement Account (IRA) or Keogh Plan
•
n = the number of years to retirement.
•
i = the compunded annual interest.
•
PMT = the earnings used for investment (and taxes).
•
FV= future value.