Question
In: Statistics and Probability
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 16 ,6 ,10, 5 ,12 ,14
Y -4.4 ,8.0, 2.1 ,8.7 ,0.1 ,-2.9
Solutions
Expert Solution
a, b)
c.
predict Y for X = 10, 15, 20 is 5, 8, 11 respectively.
a, b)
c)
predict Y for X = 5, 6, 7 is 8.79,7.55,6.30 respectively.
Dear student,
I am waiting for your feedback. I have given my 100% to solve your
queries. If you satisfied with my answer then please please like
this.
Thank You
orchestra answered 2 years agoRelated Solutions
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand,...
For the accompanying data set, (a) draw a scatter diagram of
the data, (b) by hand, compute the correlation coefficient, and
(c) determine whether there is a linear relation between x and
y.
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482
18
0.468
19
0.456
20
0.444
21
0.433
22
0.423
23
0.413
24
0.404
25
0.396...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand,...
For the accompanying data set, (a) draw a scatter diagram of
the data, (b) by hand, compute the correlation coefficient, and
(c) determine whether there is a linear relation between x and
y.
x 2 4 6 6 7
y 4 8 11 13 18
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482
18
0.468
19
0.456...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) compute the...
For the accompanying data set, (a) draw a scatter diagram of
the data, (b) compute the correlation coefficient, and (c)
determine whether there is a linear relation between x and y.
x
2
6
1
7
9
y
8
2
6
9
5
Critical Values for Correlation Coefficient
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482
18...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) compute the...
For the accompanying data set, (a) draw a scatter diagram of
the data, (b) compute the correlation coefficient, and (c)
determine whether there is a linear relation between x and y.
Data set
x
7
6
6
7
9
y
3
2
6
9
5
Critical Values for Correlation Coefficient
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand,complete...
For the accompanying data set, (a) draw a scatter diagram of the
data, (b) by hand,complete the correlation coefficient, and (c)
determine whether there is a linear relation between x and y.
x
2
4
6
6
7
y
4
8
12
12
20
Critical Values for Correlation Coefficient
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482...
Develop a scatter diagram for these data. Develop the estimated regression equation.
Given the following:
X: 1 2 3 4 5
Y: 3 7 5 11
14
Develop a scatter diagram for these data.
Develop the estimated regression equation.
Use the estimated regression equation to predict the value of Y
when X = 4
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...
From the following data set, create a scatter diagram and choose a time series analysis method...
From the following data set, create a scatter diagram and choose a
time series analysis method and use it to adjust them and forecast
for month 13, justify because you chose the method you have chosen,
you choose the parameters you need
Month 1 2 3 4 5 6 7 8 9 10 11 12 13
Sales 210 190 240 250 200 170 190 235 160 185 260 145
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- THIS PROGRAM HAS TO BE WRITTEN IN C Single function to perform the parity computation on...
- Consider a buffer system consisting of Benzoic acid (pKa = 4.20) and sodium benzoate, a) Would...
- Decision Variables S T Minimize 1.8S + 2.20T Subject to: Potassium 5S + 8T >= 200...
- A neurologist needs to counsel a stroke victim and her husband about possible outcomes, treatment options,...
- Case Study: Personal Beliefs in the Workplace Don Shakow was a prominent professional who worked in...
- 1: Competency framework usage is the modern best practice in management. What is meant by competency...
- A 19.34 g mixture of sugar (C12H22O11) and table salt (NaCl) is dissolved in 231 g...
ADVERTISEMENT