Julia wants to survey the inhabitants of a particular town about library use. She decides to organization participants into different strata by age (see the table below). Julia's goal is to have a sample of size 100 that is proportional to the various age strata. Age Number of town members 0-20 693 21-40 1203 41-60 802 Above 60 405 What type of sampling technique is being described? What is the population size? How many people should the researcher choose from each age group? Complete the table below. Show work Age Number of people to select from each age group 0-20 21-40 41-60 Above 60