Answer: (A) randomly selected elements within each of the strata form the sample.
Step-by-step explanation:
Stratified random sampling is a random sampling technique in statistics .
- It includes the partition of the entire population into sub-parts called strata.
- The strata are formed on the basis of the characteristics shared by members .
- After the formation of strata, researcher randomly selects participants from each strata to ensure that that the participant of every group must involve in the sample to represent each character.
Hence, the correct answer is :
(A) randomly selected elements within each of the strata form the sample.
Answer:
the correct answer is option D
Answer:
2
Step-by-step explanation:
The answer is .002 after you multiply the equations inside the parentheses and divide them
Answer:
no solution
Step-by-step explanation:
3(x – 2) + 1 ≥ x + 2(x + 2).
Distribute
3x – 6 + 1 ≥ x + 2x + 4
Combine like terms
3x -5 ≥ 3x +4
Subtract 3x from each side
-5 ≥ 4
This is never true so there is no solution