A researcher is trying to study the happiness level of all current NUS students. Which of the following is/are (an) example(s) of probability sampling methods? (1) The researcher gets a list of all current NUS students' emails from the administrative office and randomly selects 100 students' emails. He then emails them a link to a short e-survey. 50 students replied to his survey. (II) The researcher invites all final year NUS students in his faculty to visit his lab for a psychological test to determine their happiness level, with a promise to compensate them for their time with a $10 voucher. 200 students turned up for the test.

A researcher is trying to study the happiness level of all current NUS students. Which of the following is/are (an) example(s) of probability sampling methods? (1) The researcher gets a list of all current NUS students' emails from the administrative office and randomly selects 100 students' emails. He then emails them a link to a short e-survey. 50 students replied to his survey. (II) The researcher invites all final year NUS students in his faculty to visit his lab for a psychological test to determine their happiness level, with a promise to compensate them for their time with a $10 voucher. 200 students turned up for the test.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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