Question
In: Statistics and Probability
The following table presents shear strengths (in kN/mm) and weld diameters (in mm) for a sample...
The following table presents shear strengths (in kN/mm) and weld diameters (in mm) for a sample of spot welds.
|
Diameter |
Strength |
|
4.2 |
47 |
|
4.4 |
54 |
|
4.6 |
69 |
|
4.8 |
81 |
|
5.0 |
75 |
|
5.2 |
79 |
|
5.4 |
89 |
|
5.6 |
101 |
|
5.8 |
98 |
|
6.0 |
102 |
Compute the fitted value and the residual for each point.
Solutions
Expert Solution
The answer is:
| Observation | Predicted Strength | Residuals |
| 1 | 52.47272727 | -5.472727273 |
| 2 | 58.47878788 | -4.478787879 |
| 3 | 64.48484848 | 4.515151515 |
| 4 | 70.49090909 | 10.50909091 |
| 5 | 76.4969697 | -1.496969697 |
| 6 | 82.5030303 | -3.503030303 |
| 7 | 88.50909091 | 0.490909091 |
| 8 | 94.51515152 | 6.484848485 |
| 9 | 100.5212121 | -2.521212121 |
| 10 | 106.5272727 | -4.527272727 |
orchestra answered 2 years agoRelated Solutions
The following table presents shear strengths (in kN/mm) and weld diameters (in mm) for a sample...
The following table presents shear strengths (in kN/mm) and
weld diameters (in mm) for a sample of spot welds.
Assignment
Diameter
Strength
4.2
51
4.4
54
4.6
69
4.8
81
5.0
75
5.2
79
5.4
89
5.6
101
5.8
98
6.0
102
Construct a scatterplot of strength (y) versus diameter (x).
Verify that a linear model is appropriate.
Compute the correlation coefficient.
Compute the least-squares line for predicting strength from
diameter.
Compute the fitted value and the residual for each...
The following table presents shear strengths (in kN/mm) and weld diameters (mm) for a sample of...
The following table presents shear strengths (in kN/mm) and weld
diameters (mm) for a sample of spot welds.
Diameter
x
Strength, y
xiyi
xi2
yi2
yi
(yi
–yi)2
(yi- y)2
4.2
51
214.20
17.64
2601.00
53.85
8.15
835.21
4.4
54
237.60
19.36
2916.00
59.64
31.84
670.81
4.6
69
317.40
21.16
4761.00
65.43
12.74
118.81
4.8
81
388.80
23.04
6561.00
71.22
95.68
1.21
5.0
75
375.00
25.00
5625.00
77.01
4.02
24.01
5.2
79
410.80
27.04
6241.00
82.79
14.39
0.81
5.4
89...
The an article gives the following summary data on shear strength (kip) for a sample of...
The an article gives the following summary data on shear
strength (kip) for a sample of 3/8-in anchor bolts: n= 18, mean is
4.25, and a sample standard deviation of 1.3. Calculate a 95%
confidence interval for true average shear strength. Interpret your
finding.
The following table presents the balance sheet of bank A at the end of the financial...
The following table presents the balance sheet of bank A at the
end of the financial year (in million pounds).
Assets
Liabilities and capital
Reserves
4
Deposits
74
OECD government bonds
13
Long term debt
16
Commercial loans
53
Equity
8
Mortgages
28
TOTAL
98
TOTAL
98
The net income for the year is 0.8134
million pounds. Answer the following questions:
Calculate and interpret the Return-on-Assets, Return-on-Equity,
and Equity Multiplier ratios.
Due to a severe economic crisis, mortgages worth...
Table 2 below presents the output for sample data relating the number of study hours spent...
Table 2 below presents the output for sample data relating the
number of study hours spent by students outside of class during a
three week period for a course in Business Statistics and their
score in an examination given at the end of that period.
Table :2
SUMMARY OUTPUT
Regression Statistics
Multiple R
0.862108943
R Square
0.74323183
Adjusted R Square
0.700437135
Standard Error
6.157605036
Observations
8
ANOVA
df
SS
MS
F
Significance F
Regression
1
658.5034
658.5034
17.36738
0.005895
Residual...
Use the following table to answer the questions Ion Extracellular Concentration (mM) Intracellular Concentration (mM) Na+...
Use the following table to answer the
questions
Ion
Extracellular Concentration (mM)
Intracellular Concentration (mM)
Na+
440
50
K+
20
400
Cl-
560
52
Ca++
10
1
1. What is the effect of addition of extracellular TTX and TEA
on equilibrium potential? (1 points)
2. If one reduced the extracellular concentration of Na+ around a
neuron, what would happen to the membrane potential? (1
point)
3. If one increased the extracellular concentration of K+ around a
neuron, what would happen...
Use the following table to answer the questions Ion Extracellular Concentration (mM) Intracellular Concentration (mM) Na+...
Use the following table to answer the
questions
Ion
Extracellular Concentration (mM)
Intracellular Concentration (mM)
Na+
440
50
K+
20
400
Cl-
560
52
Ca++
10
1
Calculate the equilibrium potential for Na+, K+, Ca++, and Cl-
ions? (4 points)
If the resting membrane potential is -65, give the direction of
the flow of Na+, Ca++, K+, and Cl- ion. (4 points)
What will happen to the Cl- equilibrium potential, if one
changes the extracellular chloride concentration from 560 mM...
Price of eggs and milk: The following table presents the average price in dollars for a...
Price of eggs and milk: The following table
presents the average price in dollars for a dozen eggs and a gallon
of milk for each month from February through November
2001. Use a TI-84 calculator to answer the following.
Dozen Eggs
Gallon of Milk
1.21
2.66
1.13
2.67
1.01
2.69
1.20
2.68
1.15
2.71
1.28
2.67
1.26
2.90
1.33
2.91
1.45
2.94
1.56
2.95
If the price of eggs differs by $0.30 from one month to the
next, by how...
Price of eggs and milk: The following table presents the average price in dollars for a...
Price of eggs and milk: The following table
presents the average price in dollars for a dozen eggs and a gallon
of milk for each month from January through October
2010
.
Dozen Eggs
Gallon of Milk
1.79
3.12
1.77
2.69
1.28
3.76
1.78
2.78
0.88
3.00
0.98
3.08
1.15
3.31
1.05
3.15
1.86
2.94
1.83
2.73
If the price of eggs differs by $0.25 from one month to the
next, by how much would you expect the price of...
The following table presents the average price in dollars for a dozen eggs and a gallon...
The following table
presents the average price in dollars for a dozen eggs and a gallon
of milk for each month in a recent year.
Dozen
Eggs
Gallon of
Milk
1.94
3.58
1.80
3.52
1.77
3.50
1.83
3.47
1.69
3.43
1.67
3.40
1,65
3.43
1.88
3.47
1.89
3.47
1.96
3.52
1.96
3.54
2.01
3.58
If a linear regression
model were fit, what is the value of the slope and the value of the
y-intercept? Please round to 3 decimal places...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Why would UnderArmour want to be sure that consumers can clearly see different models ( about...
- Five years ago, Miguel invested a stock with price $35 per share. The stock price at...
- You are touring a distant planet on which the magnitude of the gravitational acceleration is 65%...
- GDP increased from $16.55 trillion to $17.28 trillion. What was the growth rate of GDP? The...
- Forming an Accountable Care Organization in a hospital setting What is an ACO and its reimbursement?...
- Implement a method that meets the following requirements: (a) Has the same requirements as the above...
- The Good’n’Fresh Grocery Store has two checkout lanes and four employees. Employees are equally skilled, and...
ADVERTISEMENT