Answer:
You forgot a picture......
A random sample is a subset of individuals that are randomly selected from a population of interest. Because researchers usually cannot obtain data from every single person in a group due to time, costs and other constraints, a smaller portion is randomly chosen to represent the entire group as a whole. The goal is to get a sample that is representative of the larger population.
Answer:
The phrase "fell flat" means failed, or unsuccessful. So by saying "I never fell flat" you are meaning I never failed.
Explanation:
I’m not 100% sure but you most likely need to practice fluency and use bigger words