Review for Final Flashcards
1
Q
If two tailed test and finding quantiles, alpha in R is always?
A
alpha/2
2
Q
A
3
Q
In a prop.test, n represent?
A
Num of successes
4
Q
In prop.test, p represent?
A
Hypothesized probability
5
Q
In two proportion prop.test, what is it testing for?
A
Whether the proportions of two populations are equal.
6
Q
var(cx) = ?
A
c^2 var(x)
7
Q
Expectation is always?
A
linear
8
Q
If we have probability, what properties of variance do we use if we were not given any data?
A
linearity
9
Q
z for 90, 95, 99, 99.7% confidence intervals?
A
1.645,1.960, 2.576, 2.96
10
Q
A