The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below.Commute Time (minutes), xWell-Being Index Score, y20253569.3 68.1 67.6 67.2 66.1 66.2 64.1Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.6072105 DO A. For a commute time of zero minutes, the index score is predicted to be(Round to three decimal places as needed.)O B. For every unit increase in commute time, the index score falls by(Round to three decimal places as needed.)on average.O C. For an index score of zero, the commute time is predicted to be(Round to three decimal places as needed.)minutes.O D. For every unit increase in index score, the commute time falls by. on average.(Round to three decimal places as needed.)O E. It is not appropriate to interpret the y-intercept because a commute time of zero minutes does not make sense and the value of zero minutes is much smaller than those observed in the data set.(c) Predict the well-being index of a person whose commute time is 30 minutes.The predicted index score isClick to select your answer().3:30 PMO Type here to search3/14/202TUNEPanasonicTOUGHBCF-54CDSS-4853AGScrollLockF10F11F12NumLockPrtScF2F4F5F6F7SysRqF1Esc&%233%24456.8回9回0回1 A12 A2YW四日+ II The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below.Commute Time (minutes), xWell-Being Index Score, yQuestion Help20253569.3 68.1 67.6 67.2 66.1 66.2 64.16072 105 O(a) Find the least-squares regression line treating the commute time, x, as the explanatory variable and the index score, y, as the response variable.(Round to three decimal places as needed.)(b) Interpret the slope and y-intercept, if appropriate. Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.O A. For every unit increase in index score, the commute time falls by on average.(Round to three decimal places as needed.)O B. For a commute time of zero minutes, the index score is predicted to be(Round to three decimal places as needed.)O C. For every unit increase in commute time, the index score falls by on average.(Round to three decimal places as needed.)O D. For an index score of zero, the commute time is predicted to be minutes.(Round to three decimal places as needed.)Click to select your answer(s).P Type here to search329 PMOHA V1Panasonic CF-54TUNETOUGHBOOKCDSS-4853AIRBAGPauseBreakF6F7F8F9F10F11F12NumLockPrtScScrollF2F3F4KSysRa LockEscspegspace Home&%23458 81 A12 42PaoWETTab四15EnterK2FGHS;田Cans LockAShifO ....

The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below. Commute Time (minutes), x Well-Being Index Score, y 20 25 35 69.3 68.1 67.6 67.2 66.1 66.2 64.1 60 72 105 D Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. For a commute time of zero minutes, the index score is predicted to be (Round to three decimal places as needed.) O B. For every unit increase in commute time, the index score falls by (Round to three decimal places as needed.) on average. O C. For an index score of zero, the commute time is predicted to be (Round to three decimal places as needed.) minutes O D. For every unit increase in index score, the commute time falls by on average. (Round to three decimal places as needed.) O E. It is not appropriate to interpret the y-intercept because a commute time of zero minutes does not make sense and the value of zero minutes is much smaller than those observed in the data set (c) Predict the well-being index of a person whose commute time is 30 minutes The predicted index score is Click to select your answer(s)

The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below. Commute Time (minutes), x Well-Being Index Score, y 20 25 35 69.3 68.1 67.6 67.2 66.1 66.2 64.1 60 72 105 D Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. For a commute time of zero minutes, the index score is predicted to be (Round to three decimal places as needed.) O B. For every unit increase in commute time, the index score falls by (Round to three decimal places as needed.) on average. O C. For an index score of zero, the commute time is predicted to be (Round to three decimal places as needed.) minutes O D. For every unit increase in index score, the commute time falls by on average. (Round to three decimal places as needed.) O E. It is not appropriate to interpret the y-intercept because a commute time of zero minutes does not make sense and the value of zero minutes is much smaller than those observed in the data set (c) Predict the well-being index of a person whose commute time is 30 minutes The predicted index score is Click to select your answer(s)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.

Question

The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below.
Commute Time (minutes), x
Well-Being Index Score, y
20
25
35
69.3 68.1 67.6 67.2 66.1 66.2 64.1
Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
60
72
105 D
O A. For a commute time of zero minutes, the index score is predicted to be
(Round to three decimal places as needed.)
O B. For every unit increase in commute time, the index score falls by
(Round to three decimal places as needed.)
on average.
O C. For an index score of zero, the commute time is predicted to be
(Round to three decimal places as needed.)
minutes.
O D. For every unit increase in index score, the commute time falls by. on average.
(Round to three decimal places as needed.)
O E. It is not appropriate to interpret the y-intercept because a commute time of zero minutes does not make sense and the value of zero minutes is much smaller than those observed in the data set.
(c) Predict the well-being index of a person whose commute time is 30 minutes.
The predicted index score is
Click to select your answer().
3:30 PM
O Type here to search
3/14/202
TUNE
Panasonic
TOUGHB
CF-54
CDSS-4853
AG
Scroll
Lock
F10
F11
F12
Num
Lock
PrtSc
F2
F4
F5
F6
F7
SysRq
F1
Esc
&
%23
3
%24
4
5
6.
8回
9回
0回
1 A1
2 A2
Y
W
四
日
+ II

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