Question
In: Statistics and Probability
Given the following sample observations, draw a scatter diagram on a separate piece of paper. (Round...
|
Given the following sample observations, draw a scatter diagram on a separate piece of paper. (Round your answers to 3 decimal places.) |
|
X: |
-8 |
-16 |
13 |
3 |
17 |
|
Y: |
53 |
249 |
153 |
2 |
343 |
|
The coefficient of correlation is . |
Try squaring the X- variable and then determine the correlation coefficient. ._________ |
Solutions
Expert Solution
for doing the scatterplot i am using minitab. steps for doing scatterplot:-
copy the data in two column of minitab worksheet and name them
"x" and "y" 
GRAPH
SCATTERPLOT
double click
in SIMPLE "IN Y
VARIABLES" select y and " IN X VARIABLES" select x OK.
our scatterplot is:-
***If you have any doubt regarding the problem please write it in the comment section.if you are satisfied please give a LIKE if possible.
orchestra answered 1 year agoRelated Solutions
Given the following sample observations, draw a scatter diagram on a separate piece of paper. (Round...
Given the following sample observations, draw a scatter diagram
on a separate piece of paper. (Round your answers to 3
decimal places.)
X:
-8
-16
13
3
16
Y:
60
249
159
2
339
The coefficient of correlation is .
Does the relationship between the variables appear to be
linear? (Click to
select) Yes No
Try squaring the X- variable and then determine the
correlation coefficient. .
Given the following sample observations, draw a scatter diagram on a separate piece of paper. (Round...
Given the following sample observations, draw a scatter diagram
on a separate piece of paper. (Round your answers to 3 decimal
places.) X: -6 -17 12 3 17 Y: 52 248 151 4 341
The coefficient of correlation is .
Does the relationship between the variables appear to be
linear?
Try squaring the X- variable and then determine the correlation
coefficient. .
Given the following sample observations, draw a scatter diagram on a separate piece of paper. X:...
Given the following sample observations, draw a scatter
diagram on a separate piece of paper.
X:
−9
−14
13
1
16
Y:
51
243
159
4
338
Compute the correlation coefficient. (Round your answer
to 3 decimal places.)
Try squaring the x variable and then determine
the correlation coefficient. (Round your answer to 3 decimal
places.)
Given the following sample observations, draw a scatter diagram on a separate piece of paper. X:...
Given the following sample observations, draw a scatter diagram
on a separate piece of paper.
X:
−7
−16
13
3
16
Y:
54
241
157
1
342
Click here for the Excel Data File
Compute the correlation coefficient. (Round your answer
to 3 decimal places.)
Does the relationship between the variables appear to be
linear?
Yes
No
Try squaring the x variable and then determine the
correlation coefficient. (Round your answer to 3 decimal
places.)
Given the following sample observations, draw a scatter diagram on a separate piece of paper. X:...
Given the following sample observations, draw a scatter diagram
on a separate piece of paper.
X:
−7
−16
11
1
16
Y:
50
248
155
3
343
Compute the correlation coefficient. (Round your answer
to 3 decimal places.)
Coefficient of correlation ________
Does the relationship between the variables appear to be
linear?
Yes
No
Try squaring the x variable and then determine the
correlation coefficient. (Round your answer to 3 decimal
places.)
Coefficient of correlation ______
Given the following sample observations, draw a scatter diagram on a separate piece of paper. X:−7,−16,13,3,16...
Given the following sample observations, draw a scatter diagram
on a separate piece of paper.
X:−7,−16,13,3,16
Y:54,24,11,57,1,342
Compute the correlation coefficient. (Round your answer
to 3 decimal places.)
Does the relationship between the variables appear to be
linear?
Try squaring the x variable and then determine the
correlation coefficient. (Round your answer to 3 decimal
places.)
A data set is given a) (a) Draw a scatter diagram. Comment on the type of...
A data set is given
a)
(a) Draw a scatter diagram. Comment on the type of relation that
appears to exist between x and y.
(b) Given that
x overbarxequals=3.83333.8333,
s Subscript xsxequals=2.40142.4014,
y overbaryequals=3.98333.9833,
s Subscript ysyequals=1.74521.7452,
and
requals=negative 0.9457−0.9457,
determine the least-squares regression line.
(c) Graph the least-squares regression line on the scatter
diagram drawn in part (a).
x
0
2
4
5
6
6
y
6.0
5.8
4.7
3.0
2.1
2.3
A data set is given below. (a) Draw a scatter diagram. Comment on the type of...
A data set is given below. (a) Draw a scatter diagram. Comment
on the type of relation that appears to exist between x and y. (b)
Given that x̅ = 3.8333, Sx = 2.4014 , ȳ equals = 3.7333 3., Sy =
1.8381, and r = -0.9545 , determine the least-squares regression
line.
(c) Graph the least-squares regression line on the scatter
diagram drawn in part
x y
0 5.9
2 5.7
4 4.3
5 2.8
6 1.7
6 2...
A data set is given below. (a) Draw a scatter diagram. Comment on the type of...
A data set is given below. (a) Draw a scatter diagram. Comment
on the type of relation that appears to exist between x and y. (b)
Given that x̅ = 3.6667, sx = 2.0656, ŷ = 4.2000, sy = 1.4805, and
r = −0.9287, determine the least-squares regression line. (c)
Graph the least-squares regression line on the scatter diagram
drawn in part (a).
x y
1 5.2
2 5.8
3 5.4
4 3.8
6 2.4
6 2.6
(a) Choose the...
For the following data set: a) draw a scatter diagram, b) develop the estimation equation that...
For the following data set:
a) draw a scatter diagram,
b) develop the estimation equation that best describes the
data,
c) predict Y for X = 10, 15, 20.
X 13 ,16 ,14 ,11 ,17 ,9 ,13 ,17 ,18, 12
Y 6.2 ,8.6 ,7.2 ,4.5 ,9.0 ,3.5 ,6.5 ,9.3 ,9.5, 5.7
Using the data given below,
a) draw the scatterplot,
b) develop the estimation equation that best describes the
data,
c) predict Y for X = 5, 6, 7.
X...
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