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1)The records for all trains scheduled to depart from the opera house train station last year showed that the average delay for these trains was 12.7 minutes, 17.1% of the trains had been delayed and 15 trains had been cancelled. Maria is a traffic engineer helping the Opera house station improve its performance. She audited a random group of 50 records of trains scheduled to depart from the Opera House station last year. In her group the trains were late an average of 21.3 minutes, 32% Identify the following: a. Population b. Sample Choose whether each number described below is a parameter or a statistic for Maria's audit C. Number The 17.1 % of all trains scheduled to depart from the Opera House station last year that were late The 21.3 minute average delay among the random group audited by Maria The 2 cancelled trains among the random group audited by Maria Parameter Statistic

1)The records for all trains scheduled to depart from the opera house train station last year showed that the average delay for these trains was 12.7 minutes, 17.1% of the trains had been delayed and 15 trains had been cancelled. Maria is a traffic engineer helping the Opera house station improve its performance. She audited a random group of 50 records of trains scheduled to depart from the Opera House station last year. In her group the trains were late an average of 21.3 minutes, 32% Identify the following: a. Population b. Sample Choose whether each number described below is a parameter or a statistic for Maria's audit C. Number The 17.1 % of all trains scheduled to depart from the Opera House station last year that were late The 21.3 minute average delay among the random group audited by Maria The 2 cancelled trains among the random group audited by Maria Parameter Statistic

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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1)The records for all trains scheduled to depart from the opera house train station last year showed that the average delay for these trains was 12.7 minutes, 17.1% of the trains had been delayed and 15 trains had been cancelled. Maria is a traffic engineer helping the Opera house station improve its performance. She audited a random group of 50 records of trains scheduled to depart from the Opera House station last year. In her group the trains were late an average of 21.3 minutes, 32% Identify the following: a. Population b. Sample c. Choose whether each number described below is a parameter or statistic for Maria's audit Number The 17.1 % of all trains scheduled to depart from the Opera House station last year that were late The 21.3 minute average delay among the random group audited by Maria The 2 cancelled trains among the random group audited by Maria Parameter Statistic
Transcribed Image Text:1)The records for all trains scheduled to depart from the opera house train station last year showed that the average delay for these trains was 12.7 minutes, 17.1% of the trains had been delayed and 15 trains had been cancelled. Maria is a traffic engineer helping the Opera house station improve its performance. She audited a random group of 50 records of trains scheduled to depart from the Opera House station last year. In her group the trains were late an average of 21.3 minutes, 32% Identify the following: a. Population b. Sample c. Choose whether each number described below is a parameter or statistic for Maria's audit Number The 17.1 % of all trains scheduled to depart from the Opera House station last year that were late The 21.3 minute average delay among the random group audited by Maria The 2 cancelled trains among the random group audited by Maria Parameter Statistic
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