Answer number 3 only, provide the sampling technique, justification and the supporting rrl for the case CASE1. In a research class of 40 students, the teacherdivides the class into five groups, each with eightmembers per group. The teacher then asked the classto choose their group members based on interests,compatibility, and rapport. After the selection wasmade, the teacher realized that the abilities per groupwere uneven. He then reshuffled some members of thegroup to achieve equilibrium among the groups. Theteacher needs ten students to represent each group. Heselected one male and one female from each groupbased on academic performance, leadership skills, andsocial skills as qualities that will embody asrepresentatives per group.2.A group of young researchers would like toknow the influence of religion on the voting scheme offirst-time voters. In 3200 students in school, theresearchers fractionated the population based onreligion and came up with a sample size of 399 usingSlovin's formula. The researchers randomly selectedthe 399 participants and are now set to conduct thestudy.3. A financial advisor needs to meet her quota of 30clients in a year. To do that, she sought help from herfriends to refer someone to be her client, and inexchange, for every referral who will avail to herinsurance, a friend will receive a commission fromher. At the end week of October, the financial advisorachieved her quota - 30 clients.4. In 1500 SHS students, the researcher divided thepopulation into subgroups; this was done by strands.The researcher needed 50 SHS students who belong tothe ABM strand - PM shift. The researcher choosesthe participants, being careful to adhere to thesubgroup's characteristics.5. An independent research group would like to knowthe preferred presidential bet of young professionalsacross Metro Manila. Due to the huge number of thetarget population, the researchers decided to divide thetarget population into districts using the fourgeographic areas. The researchers selected fourrandom cities per district with the highest number ofvoters to represent the samples of the study.SAMPLINGTECHNIQUE(Select a sampling technique)JUSTIFICATION SUPPORTING RRL(Personal explanation)(Observe proper APA format in in-text citation)

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3 : 
She needs to meet her quota of 30 clients : 
She ask her friends to as their friends to be…