People would be more confident in themselves to share their opinions and thoughts which would really help our community
Answer:
Many cities were overcrowded with limited housing and few sanitation services.
Explanation:
During the late 1800s, urban areas grew very fast because economic opportunities were better than in the countryside. This attracted people from rural areas, and also from abroad, who flocked to the cities too fast for the cities infraestructure to keep up with.
This made most cities at the time very overcrowded, with few public services that were overstrained, and with serious problems in terms of sanitation and public safety. However, people could still earn higher incomes than in the countryside, and despite all these problems, the cities did not stop being attractive for both domestic and international migration.
Answer: SAMPLE.
Explanation: He obviously cannot study every 12th grader, so instead he will select a smaller SAMPLE of seniors to study.
Sample in research methodology is defined as a subset of a population selected for measurement, observation or questioning, to provide statistical information about the population. A sample is referred to as an unbiased estimator of a population.
