Answered: a. Indicate whether the following…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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Transcribed Image Text:a. Indicate whether the following variables are qualitative or quantitative variables. For the quantitative variables, indicate whether they are discrete or continuous. i. Student's grade point average (GPA) ii. Brand of instant coffee preferred by customers in a supermarket iii. Number of TVs sold by a company iv. Favourite tourist spot in Pulau Langkawi b. Identify the sampling method (simple random, systematic, stratified, or cluster sampling) used in each of the following cases. i. To study the brand of cars on a road, every fifth car on the road is observed and its brand is recorded. ii. A university consists of multiple faculties. For every faculty, 50 students were selected at random and interviewed for their opinion on the facilities in the university. iii. Chosen at random, 500 rural and 500 urban people aged 65 or older are asked about their health and their experience with prescription drugs. iv. Questioning students as they leave a university library, a researcher asks 358 students about their sleeping habits.

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