WJEC AS Unit 2 Applied Mathematics A overview quiz quiz
15questions. Pick an answer and you'll see why right away.
In a stratified sample, how is the number taken from each group decided?
In a histogram, what does the area of each bar represent?
Which measure of spread is least affected by an outlier?
Events A and B satisfy P(A and B) equals P(A) times P(B). What does this mean?
What is the addition rule for the probability of A union B?
When sampling two items without replacement, why are the draws not independent?
Which of these is NOT a condition for the binomial distribution?
For X following B(n, p), what is the mean (expected value)?
In a hypothesis test, what does the significance level represent?
For a two-tailed test at the 5 per cent significance level, how is the probability split?
On a velocity-time graph, what does the area between the line and the time axis represent?
Which suvat equation does NOT contain the time t?
Newton's second law is most generally stated as which of the following?
For a body on a rough horizontal surface, the maximum (limiting) friction equals what?
For two particles connected by a light inextensible string over a smooth pulley, the tension is: