Answer: Stratified sampling
Step-by-step explanation:
Stratified sampling is a particular kind of random sampling technique.
Here , the researcher splits the entire population into distinct groups known as strata.
Then he draw a sample by taking participants from each strata and continue his work on sample.
As per given ,
Researcher = Sneha
Strata = Each floor
Since from each floor she randomly selects 2 rooms and inspects them and then takes the average of these scores.
Therefore , Sneha used the Stratified sampling technique.
Answer:
51
Step-by-step explanation:
(x) = 17 (One third of the total equals seventeen)
x = 17(3)
x = 51
Centroids create two segments.
The larger makes up 
of the total.
The smaller makes up of the total.
YoYo. 15/6 = 2.5 so each YoYo costs $2.50.
Answer: 0.01
Step-by-step explanation:
0.0082 / 0.82 = 0.01
0.82 × 0.01 = 0.0082
