Maths Paper 3 Flashcards
Stats! - Name the 5 weather station in the UK
TOP : Leuchars
MIDDLE : Leeming
BOTTOM : Heathrow, Hurn, Camborne
Stats! - Name the 3 overseas weather stations.
USA : Jacksonville
China : Beijing
Australia : Perth
Stats! - What months have been recorded?
May to October
Stats! - What two years have been recorded?
1987 and 2015
Stats! - What is the formula for quadrant 2 value for discrete data?
(n+10th)/2
Stats! - The formula to find the variance?
(Standard deviation)²
Stats! - The formula to find the mean?
x̄ = Σ𝑥/n
Stats! - Standard Normal Distribution Formula
Z = (X - μ)/σ
Stats! - Freq density formula?
k x freq/class width
Stats! - Formula for P(B/A)
P(BnA)/P(A)
Stats! - Formula for a sample mean
x̄ ~ N (μ,(σ/√n)²)
Mechanics - Constant Velocity Formula
r = ro +vt
Mechanics - Constant Acceleration
v = u+at
r=ro+ut+1/2at²
Mechanics - Speed is what in velocity?
Speed = |v|
Mechanics - Variable acceleration
r = xi+yj
v =xi +yj
a =xi+yj
Like avs (abs) but s is r
WHEN INTEGRATING REMEMBER “+C”