Question
Explain the differences and similarities of correlation analysis and bivariate regression analysis
Explain the differences and similarities of correlation analysis and bivariate regression analysis
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
The key advantage of bivariate regression over correlation is that regression can be used for prediction....
The key advantage of bivariate regression over correlation is
that regression can be used for prediction. Explain this period how
is it that regression can be used to predict values not in the data
set, but correlation cannot?
Describe two key similarities between correlation and regression.
Describe two key similarities between correlation and
regression.
You run a regression analysis on a bivariate set of data (n=12n=12). You obtain the regression...
You run a regression analysis on a bivariate set of data
(n=12n=12). You obtain the regression equation
y=0.631x+48.011y=0.631x+48.011
with a correlation coefficient of r=0.875r=0.875 (which is
significant at α=0.01α=0.01). You want to predict what value (on
average) for the explanatory variable will give you a value of 180
on the response variable.
What is the predicted explanatory value?
x =
(Report answer accurate to one decimal place.)
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data
with y as the response variable.
x
y
16.1
47.3
10.6
42.8
22.4
50.6
33.3
67.6
47.8
61.1
41.4
62.1
30.2
57.9
30.6
53.6
33
57.4
9.7
41.2
19.3
49.6
Verify that the correlation is significant at an α=0.05. If the
correlation is indeed significant, predict what value (on average)
for the explanatory variable will give you a value of 54 on the
response variable.
What is the predicted...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data
with y as the response variable.
x
y
107.8
-31.6
73.5
10.7
102
-13.1
44.7
66.8
89.7
2.9
72.7
46.1
76.4
6.7
76.1
22.6
92.2
-0.7
85.4
11.7
98
-8.2
89.8
1.9
66.2
77.1
80.6
21.3
43.4
92.9
Verify that the correlation is significant at an α=0.05α=0.05.
If the correlation is indeed significant, predict what value (on
average) for the explanatory variable will give you a value of -4.3...
One of your last homework problems related to a bivariate linear regression analysis on a sample...
One of your last homework problems related to a bivariate linear
regression analysis on a sample of 107 nations. It used the percent
of the adult population that was literate in a nation to predict
life expectancy for people born now in that nation. In other words,
the study investigated whether nations with higher rates of
literacy have longer (or perhaps shorter) life expectancy. The
value of R2 for the regression analysis was 0.749.
Data on the same 107 nations...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data
with y as the response variable.
x
y
74.1
53.3
81.3
65.5
64.4
79
102.4
35.8
73
59.4
45.4
110.1
66.4
84.9
73.8
70
52
97.5
70.2
86.9
91.1
43.3
Predict what value (on average) for the response variable will
be obtained from a value of 62.2 as the explanatory variable. Use a
significance level of α=0.05α=0.05 to assess the strength of the
linear correlation.
What is the predicted...
1.What is the relationship between covariance analysis, correlation analysis and linear regression analysis? 2. What is...
1.What is the relationship between covariance
analysis, correlation analysis and linear regression
analysis?
2. What is the difference between covariance, correlation and
linear regression analysis?
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data
with y as the response variable.
x
y
31
131.5
32.7
88.1
45.9
52.1
51.8
47
65.8
30.1
58.4
36.4
84.5
-92.1
25.3
103.4
49.8
37.5
4.6
127.3
46.6
32.1
75.2
-12.4
Find the correlation coefficient and report it accurate to three
decimal places.
r =
What proportion of the variation in y can be explained by
the variation in the values of x? Report answer as a
percentage...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data
with y as the response variable.
x
y
69
25.6
87.1
99.4
80.3
77.2
100.4
148
38.1
4.6
99.7
116.2
82.7
74.6
98
100.3
78.5
65.9
93.4
117.5
82.7
106.4
85
52.3
Find the correlation coefficient and report it accurate to three
decimal places.
r =
What proportion of the variation in y can be explained by
the variation in the values of x? Report answer as a
percentage...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 1 minute ago
asked 12 minutes ago
asked 13 minutes ago
asked 16 minutes ago
asked 18 minutes ago
asked 29 minutes ago
asked 30 minutes ago
asked 30 minutes ago
asked 33 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago