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

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

please provide a complete solution (if possible)
thanks in advance!

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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman