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:
30.5 is the answer
Step-by-step explanation:
price of 1 bagels=0.85
price of 1 cream cheese=2.5
30*0.85+2*2.5
25.5 +5
30.5
just multiply with the number of thing by the price of 1 thing
I think the answer is sas