Answer: 8:1
Step-by-step explanation:
480/60 = 8/1
Three smaller surface area = 6*3=18, while bigger = 14, so three smaller will melt faster.
2.15 would be your answer
Answer:
No, It is a Cluster Sampling.
Step-by-step explanation:
Simple Random Sampling is the sampling when samples are chosen randomly, where each unit has an equal chance of being selected in a sample.
If the population is divided into a different group called cluster and clusters are selected as a sample then it is Cluster Sampling.
Here, since Expert is interviewing all of the teachers at the selected schools, so it is Cluster Sampling, not a Simple Random Sampling.
