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TEST III. Identify the sampling techniques illustrated in the following scenarios. a.) Kyle chose 10 samples from a population of 50 by assigning numbers to each member and then selecting the members whose assigned numbers are multiples of 5. b.) A researcher grouped the respondents according to religious affiliations and then chose proportional numbers of members from each religious group. c.) John conducted an online survey about the most preferred presidential candidate. d.) Annie asked some respondents to suggest other possible participants for the research. TEST IV. APPLICATIONS 1.) A random sample with size 16 is selected from a normally distributed population with a mean of 16 and a standard deviation of 3.2. What is the probability that the mean of the sample falls between 14 and 16? 2.) The average monthly income of teachers working in a public school is P 25 000 with standard deviation of P800. If a random sample of 15 teachers is selected, what is the mean, variance, and standard error of the corresponding distribution of the sample means? REFERENCES: . Albay, Eduard M. et. al. Statistics and Probability. Diwa Learning System, Copyright 2016. . Santos, Darwin C. Statistics, Salesiana Books - Don Bosco Press Inc., Copyright 2016. . PEAC MANUAL ON GENERAL MATHEMATICS . INTERNET