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.
It would take 24 mins to drive 28 miles going 70mph
There are 1798 telephone numbers in the area if I am not wrong and PLEASE mark me Brainliest
Answer:
Square Root of 384
Step-by-step explanation: