Answer:
i think it is E
Step-by-step explanation:
Answer:
C ≤ 11
Step-by-step explanation:
c − 5.5 + 5.5 ≤ 5.5 + 5.5
add 5.5 to both sides
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:
An acute angle is an angle less than 90°
Answer:
5
−
ℎ
>
2
3
4
5
Step-by-step explanation: