Homework Help is Here – Start Your Trial Now!
Math
Statistics
Use a computer or statistical calculator to calculate the correlation coefficient in parts a through c below. Cost a. The table shows the approximate distance between selected cities and the approximate cost of flights between those cities. Calculate the correlation coefficient between cost and miles. 190 413 256 Miles D 958 3095 (Round to three decimal places as needed.) 1998 429 3008 r= 90 436 b. This table shows the same information, except that the distance was converted to kilometers by multiplying the numbers of miles by 1.609 and rounding to the nearest kilometer. What happens to the correlation coefficient when numbers are multiplied by a positive constant? Kilometers D 1541 Cost 190 413 (Round to three decimal places as needed.) 4980 3215 256 90 690 4840 436 O A. The correlation is The correlation coefficient remains the same when the numbers are multiplied by a positive constant. O B. The correlation is The correlation coefficient increases when the numbers are multiplied by a positive constant. O C. The correlation is The correlation coefficient decreases when the numbers are multiplied by a positive constant. c. Suppose a tax is added to each flight. Forty-five dollars is added to every flight, no matter how long it is. The table shows the new data. What happens to the correlation Cost 235 Miles O coefficient when a constant is added to each number? 958 458 3095 301 135 1998 429 (Round to three decimal places as needed.) 481 3008 O A. The correlation is The correlation coefficient increases when a constant is added to each number. O B. The correlation is The correlation coefficient remains the same when a constant is added to each number. O C. The correlation is .The correlation coefficient decreases when a constant is added to each number.

Use a computer or statistical calculator to calculate the correlation coefficient in parts a through c below. Cost a. The table shows the approximate distance between selected cities and the approximate cost of flights between those cities. Calculate the correlation coefficient between cost and miles. 190 413 256 Miles D 958 3095 (Round to three decimal places as needed.) 1998 429 3008 r= 90 436 b. This table shows the same information, except that the distance was converted to kilometers by multiplying the numbers of miles by 1.609 and rounding to the nearest kilometer. What happens to the correlation coefficient when numbers are multiplied by a positive constant? Kilometers D 1541 Cost 190 413 (Round to three decimal places as needed.) 4980 3215 256 90 690 4840 436 O A. The correlation is The correlation coefficient remains the same when the numbers are multiplied by a positive constant. O B. The correlation is The correlation coefficient increases when the numbers are multiplied by a positive constant. O C. The correlation is The correlation coefficient decreases when the numbers are multiplied by a positive constant. c. Suppose a tax is added to each flight. Forty-five dollars is added to every flight, no matter how long it is. The table shows the new data. What happens to the correlation Cost 235 Miles O coefficient when a constant is added to each number? 958 458 3095 301 135 1998 429 (Round to three decimal places as needed.) 481 3008 O A. The correlation is The correlation coefficient increases when a constant is added to each number. O B. The correlation is The correlation coefficient remains the same when a constant is added to each number. O C. The correlation is .The correlation coefficient decreases when a constant is added to each number.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
Use a computer or statistical calculator to calculate the correlation coefficient in parts a through c below. Cost Miles a. The table shows the approximate distance between selected cities and the approximate cost of flights between those cities. Calculate the correlation coefficient between cost and miles. 190 958 413 3095 r= (Round to three decimal places as needed.) 256 1998 90 429 436 3008 b. This table shows the same information, except that the distance was converted to kilometers by multiplying the numbers of miles by 1.609 and rounding to the nearest kilometer. What happens to the correlation coefficient when numbers are multiplied by a positive constant? Cost Kilometers O 190 1541 413 4980 (Round to three decimal places as needed.) 256 3215 90 690 436 4840 A. The correlation is The correlation coefficient remains the same when the numbers are multiplied by a positive constant. B. The correlation is The correlation coefficient increases when the numbers are multiplied by a positive constant. O C. The correlation is The correlation coefficient decreases when the numbers are multiplied by a positive constant. c. Suppose a tax is added to each flight. Forty-five dollars is added to every flight, no matter how long it is. The table shows the new data. What happens to the correlation Cost Miles coefficient when a constant is added to each number? 235 458 958 3095 301 1998 (Round to three decimal places as needed.) 135 429 481 3008 O A. The correlation is The correlation coefficient increases when a constant is added to each number. O B. The correlation is The correlation coefficient remains the same when a constant is added to each number. C. The correlation is .The correlation coefficient decreases when a constant is added to each number.
Transcribed Image Text:Use a computer or statistical calculator to calculate the correlation coefficient in parts a through c below. Cost Miles a. The table shows the approximate distance between selected cities and the approximate cost of flights between those cities. Calculate the correlation coefficient between cost and miles. 190 958 413 3095 r= (Round to three decimal places as needed.) 256 1998 90 429 436 3008 b. This table shows the same information, except that the distance was converted to kilometers by multiplying the numbers of miles by 1.609 and rounding to the nearest kilometer. What happens to the correlation coefficient when numbers are multiplied by a positive constant? Cost Kilometers O 190 1541 413 4980 (Round to three decimal places as needed.) 256 3215 90 690 436 4840 A. The correlation is The correlation coefficient remains the same when the numbers are multiplied by a positive constant. B. The correlation is The correlation coefficient increases when the numbers are multiplied by a positive constant. O C. The correlation is The correlation coefficient decreases when the numbers are multiplied by a positive constant. c. Suppose a tax is added to each flight. Forty-five dollars is added to every flight, no matter how long it is. The table shows the new data. What happens to the correlation Cost Miles coefficient when a constant is added to each number? 235 458 958 3095 301 1998 (Round to three decimal places as needed.) 135 429 481 3008 O A. The correlation is The correlation coefficient increases when a constant is added to each number. O B. The correlation is The correlation coefficient remains the same when a constant is added to each number. C. The correlation is .The correlation coefficient decreases when a constant is added to each number.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Equality of Variances
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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
SEE MORE TEXTBOOKS