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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Question

Please do part G.

DATA 13. College Survey In a national survey conducted by the
Centers for Disease Control to determine health-risk behaviors
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?

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