5. In a study of shopping preferences, a sample of young adults and a sample of people over age 50 were selected. Each person was asked where he or she preferred to shop for groceries. Based on the resulting data, the investigators concluded that a higher proportion of older adults prefer to shop at chain supermarkets. Which of the following is true for this study? (a) The study is an experiment with two treatments, young and old. (b) The study is an experiment with two treatments, shopping at chain supermarkets or not shopping at chain supermarkets. (c) The study is an experiment that incorporates blocking by age. (d) Based on this study, it is reasonable to conclude that there is a cause and effect relationship between age and shopping preference.

5. In a study of shopping preferences, a sample of young adults and a sample of people over age 50 were selected. Each person was asked where he or she preferred to shop for groceries. Based on the resulting data, the investigators concluded that a higher proportion of older adults prefer to shop at chain supermarkets. Which of the following is true for this study? (a) The study is an experiment with two treatments, young and old. (b) The study is an experiment with two treatments, shopping at chain supermarkets or not shopping at chain supermarkets. (c) The study is an experiment that incorporates blocking by age. (d) Based on this study, it is reasonable to conclude that there is a cause and effect relationship between age and shopping preference.

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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Question

Please check picture and answer with detail explaination.

5. In a study of shopping preferences, a sample of young adults and a sample of people over
age 50 were selected. Each person was asked where he or she preferred to shop for groceries.
Based on the resulting data, the investigators concluded that a higher proportion of older
adults prefer to shop at chain supermarkets. Which of the following is true for this study?
(a) The study is an experiment with two treatments, young and old.
(b) The study is an experiment with two treatments, shopping at chain supermarkets or not
shopping at chain supermarkets.
(c) The study is an experiment that incorporates blocking by age.
(d) Based on this study, it is reasonable to conclude that there is a cause and effect relationship
between age and shopping preference.
(e) None of the above is true for this study. ellivoinsb

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