Data Collectionmedium
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A researcher wants to estimate average daily screen time among high school students in a large school district of 4,500 students.
Method 1 (Quota Sampling): She instructs interviewers to survey 90 students, ensuring the sample matches known demographics: 50% male/female, 25% from each grade (9–12). Interviewers select willing students near the school cafeteria during lunch hours.
Method 2 (Simple Random Sampling): She obtains a roster of all 4,500 students, uses a random number generator to select 90 students, and administers the survey to those specific students (tracking down absent students if necessary).
Which statement most accurately compares these methods?
A researcher wants to estimate average daily screen time among high school students in a large school district of 4,500 students.
Method 1 (Quota Sampling): She instructs interviewers to survey 90 students, ensuring the sample matches known demographics: 50% male/female, 25% from each grade (9–12). Interviewers select willing students near the school cafeteria during lunch hours.
Method 2 (Simple Random Sampling): She obtains a roster of all 4,500 students, uses a random number generator to select 90 students, and administers the survey to those specific students (tracking down absent students if necessary).
Which statement most accurately compares these methods?