Loose-leaf Version for The Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access)
Loose-leaf Version for The Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access)
7th Edition
ISBN: 9781319019334
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
Question
Book Icon
Chapter 2, Problem 2.15CYS
To determine

The mean of the given data.

Expert Solution & Answer
Check Mark

Answer to Problem 2.15CYS

The correct option is (b) 167.48.

Explanation of Solution

Given info:

The times in seconds to swim 200 metres at 90% of race pace when breathing every second stroke in front crawl swimming are given:

times
151.6
165.1
159.2
163.5
174.8
173.2
177.6
174.3
164.1
171.4

Reason for correct answer:

Step-by-step procedure to obtain the mean of the given data using the MINITAB software is.

  • Enter the name of variable times> Enter the given set of observations.
  • Go to Stat> choose Basic statistics>choose Display descriptive statistics.
  • Choose times > choose select >choose statistics> select mean.
  • Choose OK.
  • Choose OK.

Output using the MINITAB software is given below:

Loose-leaf Version for The Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access), Chapter 2, Problem 2.15CYS

From the MINITAB output, the mean of the given data is 167.48.

Reason for incorrect answer:

Option a.: Mean calculated using MINITAB software is not 165.10.

Option c.: Mean calculated using MINITAB software is not 168.25.

Conclusion:

The mean of the given data is 167.48.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Students have asked these similar questions
7% of all Americans live in poverty. If 40 Americans are randomly selected, find the probability thata.  Exactly 4 of them live in poverty. b.  At most 1 of them live in poverty. c.  At least 1 of them live in poverty. d.  Between 2 and 9 (including 2 and 9) of them live in poverty.
48% of all violent felons in the prison system are repeat offenders. If 40 violent felons are randomly selected, find the probability that   a. Exactly 18 of them are repeat offenders. b. At most 18 of them are repeat offenders. c. At least 18 of them are repeat offenders. d. Between 17 and 21 (including 17 and 21) of them are repeat offenders.
Consider an MA(6) model with θ1 = 0.5, θ2 = −25, θ3 = 0.125, θ4 = −0.0625, θ5 = 0.03125, and θ6 = −0.015625. Find a much simpler model that has nearly the same ψ-weights.
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Text book image
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Text book image
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Text book image
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
Text book image
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Text book image
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman