SOLUTION: 1- In term of sampling efficiency, stratified samples are the best and cluster samples are worst. a. False b. True 2- How many samples with different combination can be creat

Algebra ->  Probability-and-statistics -> SOLUTION: 1- In term of sampling efficiency, stratified samples are the best and cluster samples are worst. a. False b. True 2- How many samples with different combination can be creat      Log On


   

Question 388483: 1- In term of sampling efficiency, stratified samples are the best and cluster samples are worst.
a. False
b. True
2- How many samples with different combination can be created by a population of 6 member and sample size of 3?
a. 21
b. 10
c. 80
d. 20
1- A linear relationship can be created with 6 observations of dependent (Y) and independent (Y) variables.
a. Guessing Y by X is possible but with the mistake
b. The correlation would be high for this relation
c. There is no correlation at all between Y and X
d. All of the above are correct.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
2)
nCr=combination of n things taken r at a time=n!/((n-r)!*r!
6!/(3!*3!)= 720/36 = 20
.
Ed