Homework Answers
Solution:
from given data, we get following regression analysis output
from the above regression
analysis
We get, the least-squares regression line as
y^ = -0.096x + 69.006
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Ordings The data below represent commute times in minutes) and scores on a well-being survey. Complete...
The data below represent commute times (in minutes) and scores on a well-being survey. Commute Time...
The data below represent commute times (in minutes) and scores on a well-being survey. Commute Time (minutes), x 5 20 25 40 50 84 105 Well-Being Index Score, y 69.2 68.0 67.4 66.6 66.2 65.1 63.3 Given that r = -0.9841, Sx = 35.981, Sy = 1.942. a) Find the equation for the regression line. b) Interpret the slope and y-intercept. c) Find the predicted value of index score when x = 40. Find the residual for the value of...
The following data represent the commute time (in minutes) x and a score on a well-being...
The following data represent the commute time (in minutes) x and a score on a well-being survey y. The equation of the least-squares regression line is ModifyingAbove y with caret equals negative 0.0487 x plus 70.1284y=−0.0487x+70.1284 and the standard error of the estimate is 0.52940.5294. Complete parts (a) through (e) below. x 2525 3535 4545 5555 7070 9292 125125 y 69.069.0 68.668.6 67.567.5 67.367.3 66.566.5 66.666.6 63.663.6 (a) Predict the mean well-being index composite score of all individuals whose commute...
Commute Time (in minutes) Well-Being Score 6 69.9 14 68.4 26 67.6 34 67.1 47 66.5...
Commute Time (in minutes) Well-Being Score 6 69.9 14 68.4 26 67.6 34 67.1 47 66.5 73 65.2 105 63.5 (a) Which variable is likely the explanatory variable and which is the response variable? A. The explanatory variable is commute time and the response variable is the well-being score because well-being score affects the commute time score. B. The explanatory variable is the well-being score and the response variable is commute time because commute time affects the well-being score. C....
The data in the table to the right are based on the results of a survey...
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Draw a scatter diagram of the data. Does a linear relation exist between the commute time and well-being index score, when the linear correlation coefficient is -0.991? Commute Time (in minutes) Well-Being Score 4 69.2 16 68.9 23 67.9 34 67.7 53 66.3 74 65.2 95 63.1.
The data in the table to the right are based on the results of a survey...
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below. Click the icon to view the critical values for the correlation coefficient Commute Time (in minutes) Well Being Score 5 69.5 14 68.5 23 67.9 37 67.4 48 66.5 65 65.2 103 63.2 (a) Which variable is likely the explanatory variable and which is the...
Draw a scatter diagram of the data. Which of the following represents the data? OA OB...
Draw a scatter diagram of the data. Which of the following
represents the data?
OA OB O C. Ο D. 110 110 60 70 110 110 Critical Values for Correlation Coefficient 3 0.997 4 0.950 5 0.878 辟稳ぷ2 11 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 The data in the table to the right are based on the results of a survey comparing the commute time of adults to Commute their score on...
6). a.b.b. The data in the table to the right are based on the results of...
6).
a.b.b.
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below. Click the icon to view the critical values for the correlation coefficient. Commute Time (in minutes) Well-Being Score 5 69.5 16 68.9 27 67.5 34 67.4 47 66.9 68 65.9 97 63.9 (a) Which variable is likely the explanatory variable and which is...
The data below represent the number of days absent, x, and the final grade, y, for...
The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below No. of absences, x 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.9 86.0 82.9 80.3 77.4 72.9 63.4 67.7 64.7 61.7 (a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as...
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the...
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university Complete pe below. No. of absences, * 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.1 852 822 796 76.6 72.1 62.5 66.9 63.9 60.9 (a) Find the least squares regression line treating the number of absences, x, as...
Provide an appropriate response. The data below are the one-way commute times (in minutes) for selected...
Provide an appropriate response. The data below are the one-way commute times (in minutes) for selected students during 90 enes ? | 95 88 98 75 | 7 100 80 y=0.449x - 30.27 Commute time, x Number of absences, y 0.934 O 1.007 1.162 O 0.815 A Moving to another question will save this response, dents during a summer class and the number of absences they had for that dass for the term. Find 80 5 points es they had...
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below. Click the icon to view the critical values for the correlation coefficient Commute Time (in minutes) Well Being Score 5 69.5 14 68.5 23 67.9 37 67.4 48 66.5 65 65.2 103 63.2 (a) Which variable is likely the explanatory variable and which is the...
Draw a scatter diagram of the data. Which of the following
represents the data?
OA OB O C. Ο D. 110 110 60 70 110 110 Critical Values for Correlation Coefficient 3 0.997 4 0.950 5 0.878 辟稳ぷ2 11 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 The data in the table to the right are based on the results of a survey comparing the commute time of adults to Commute their score on...
6).
a.b.b.
The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below. Click the icon to view the critical values for the correlation coefficient. Commute Time (in minutes) Well-Being Score 5 69.5 16 68.9 27 67.5 34 67.4 47 66.9 68 65.9 97 63.9 (a) Which variable is likely the explanatory variable and which is...
The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below No. of absences, x 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.9 86.0 82.9 80.3 77.4 72.9 63.4 67.7 64.7 61.7 (a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as...
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university Complete pe below. No. of absences, * 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.1 852 822 796 76.6 72.1 62.5 66.9 63.9 60.9 (a) Find the least squares regression line treating the number of absences, x, as...
Provide an appropriate response. The data below are the one-way commute times (in minutes) for selected students during 90 enes ? | 95 88 98 75 | 7 100 80 y=0.449x - 30.27 Commute time, x Number of absences, y 0.934 O 1.007 1.162 O 0.815 A Moving to another question will save this response, dents during a summer class and the number of absences they had for that dass for the term. Find 80 5 points es they had...
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