Answer: c. Stratified sampling
Step-by-step explanation:
Stratified sampling is a sampling method in which the studied population is divided into separate groups or subgroups known as strata, there after a simple random sample can then be drawn from each separate or subgroups.
One of the main merit of stratified sampling is that it helps to reduce the size of sample required to get accurate result.
Chord because the radius is the center of the circle to a side and diameter is the length across a circle through the center point so chord is the correct answer! I hope this helps! :)
Answer:
4
Step-by-step explanation:
12n - 2n = 10n
10n = 40
40 divided by 10 = 4
n = 4
Practice is key in mathematics! Always search up the topic and re-read the lessons with some practice problems to see if you got it. Asking your teacher and peers to help is another way to go.
Remember, your teacher had to learn this in order to teach you about it!
Answer:
3
Step-by-step explanation:
If figure A is half the size of figure B, then 1.5 x 2 = 3.
