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Honesty Is the Best Policy In a USA Today survey of 456

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 7CRE Chapter 11.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 7CRE

Honesty Is the Best Policy? In a ?USA Today? survey of 456 subjects, 269 agreed that honesty is always the best policy. Assume that we plan to use the survey results to estimate the proportion of the population who believe that honesty is always the best policy. a. Is the sample proportion of 269/456 a statistic or a parameter? b. Are frequency counts such as 269 categorical data or quantitative data? c. Are frequency counts such as 269 discrete or continuous? d. What does it mean for a sample, such as the 456 surveyed subjects, to be a simple random sample? e. The ?USA Today? survey was conducted as follows: A question was posted on the ?USA Today?Web site and Internet users could choose to respond. In statistics, is this a valid sampling plan?

Step-by-Step Solution:
Step 1 of 3

Solution 7CRE Step1: From the above given problem we have In a USA Today survey of 456 subjects, 269 agreed that honesty is always the best policy. Assume that we plan to use the survey results to estimate the proportion of the population who believe that honesty is always the best policy. Step2: Our aim is to find out a).Is the sample proportion of 269/456 a statistic or a parameter b).Are frequency counts such as 269 categorical data or quantitative data c). Are frequency counts such as 269 discrete or continuous d).What does it mean for a sample, such as the 456 surveyed subjects, to be a simple random sample e). The USA Today survey was conducted as follows: A question was posted on the USA TodayWeb site and Internet users could choose to respond. In statistics, is this a valid sampling plan Step3: a). irst let us understand what is statistic and what is parameter statistic: statistic is a characteristic or measure of sample. Parameter: a statistic is a characteristic or measure of population. Therefore, based on the given information the sample proportion of 269/456 is statistic b). let us understand...

Step 2 of 3

Chapter 11.3, Problem 7CRE is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Honesty Is the Best Policy In a USA Today survey of 456

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