13. College Survey In a national survey conducted by the Centers for Disease Control to determine health-risk behavio among college students, college students were asked, "How often do you wear a seat belt when riding in a car driven by someone else?" The frequencies were as follows: Response Never Rarely Sometimes Most of the time Always Frequency 125 324 552 1257 2518 (a) Construct a relative frequency distribution. (b) What percentage of respondents answered “Always”? (c) What percentage of respondents answered "Never" or "Rarely"? (d) Construct a frequency bar graph. (e) Construct a relative frequency bar graph. (f) Construct a pie chart. (g) Suppose that a representative from the Centers for Disease Control says, “52.7% of college students surveyed always wear a seat belt." Is this a descriptive or inferential statement?

13. College Survey In a national survey conducted by the Centers for Disease Control to determine health-risk behavio among college students, college students were asked, "How often do you wear a seat belt when riding in a car driven by someone else?" The frequencies were as follows: Response Never Rarely Sometimes Most of the time Always Frequency 125 324 552 1257 2518 (a) Construct a relative frequency distribution. (b) What percentage of respondents answered “Always”? (c) What percentage of respondents answered "Never" or "Rarely"? (d) Construct a frequency bar graph. (e) Construct a relative frequency bar graph. (f) Construct a pie chart. (g) Suppose that a representative from the Centers for Disease Control says, “52.7% of college students surveyed always wear a seat belt." Is this a descriptive or inferential statement?

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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