equations to remember Flashcards
1
Q
what is the equation for seasonal variation at a point
A
actual value - trend value
2
Q
what is the equation for predicted value
A
trend line value + estimated seasonal variation
3
Q
what is the equation for frequency density
A
frequency / class width
4
Q
what is equation for a small outlier
A
lq - 1.5 x iqr
5
Q
what is the equation for large outlier
A
uq +1.5 x iqr
6
Q
what is a mutually exclusive event
A
if they cannot happen at the same time
7
Q
what is exhaustive
A
a set of events that contains all possible outcomes
8
Q
what is the equation. for P(B|A)
A
P(A and B) / P(A)
9
Q
what is seasonal variation
A
a pattern that repeats
