Chapter 2 Flashcards
1
Q
4 Assumptions of Simple Probability Samples
A
Sampled populations same as the target population
Sampling frame is complete
no non-response or missing data
no measurement error
2
Q
pi i
A
n/N
3
Q
Mean square error (MSE)
A
E((sigmahat-sigma)^2)
4
Q
Variance(sigmahat)
A
E((sigmahat-E(sigmahat))^2)
5
Q
MSE(Sigmahat)
A
V(sigmahat) + Bias(sigmahat)^2
6
Q
Finite population correction factor
A
1-(n/N)
7
Q
Sampling weight
A
1/pi i
OR
N/n
