please help me answer these questions completley and obviously. I depend on it. thank you
Homework Answers
| S.No | X | Y | (x-x̅)2 | (y-y̅)2 | (x-x̅)(y-y̅) |
| 1 | 800 | 975 | 118164.0625 | 162509.7656 | 138574.2188 |
| 2 | 1250 | 1550 | 11289.0625 | 29541.0156 | 18261.7188 |
| 3 | 1050 | 850 | 8789.0625 | 278916.0156 | 49511.7188 |
| 4 | 1250 | 1550 | 11289.0625 | 29541.0156 | 18261.7188 |
| 5 | 1900 | 2000 | 571914.0625 | 386728.5156 | 470292.9688 |
| 6 | 650 | 950 | 243789.0625 | 183291.0156 | 211386.7188 |
| 7 | 1300 | 1750 | 24414.0625 | 138291.0156 | 58105.4688 |
| 8 | 950 | 1400 | 37539.0625 | 478.5156 | -4238.2813 |
| Total | 9150 | 11025 | 1027187.5000 | 1209296.8750 | 960156.2500 |
| Mean | 1143.750 | 1378.125 | SSX | SSY | SXY |
| SST=Syy= | 12,09,296.8750 | |
| SSE =Syy-(Sxy)2/Sxx= | 3,11,797.6118 | |
| SSR =(Sxy)2/Sxx = | 8,97,499.2632 | |
a)
| Coeffficient of determination R^2 =SSR/SST= | 0.742 | ||
b)
| error Variance | s2 =SSE/(n-2)= | 51966.2686 |
| std error σ = | =se =√s2= | 227.961 |
d)select all of the given options
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please help me answer these questions completley and
obviously. I depend on it. thank you
An...
Will rate, thank you in advance. Reported magazine newsstand sales were used to predict audited sales...
Will rate, thank you in advance.
Reported magazine newsstand sales were used to predict audited sales for 10 magazines. For that data, SSR = 132,184.22 and SST = 144,410.99. Complete parts (a) through (c). a. Determine the coefficient of determination, r?, and interpret its meaning. 2 (Round to four decimal places as needed.) Interpret the meaning of r2. It means that % of the variation in audited newsstand sales (Round to two decimal places as needed.) be explained by the...
A magazine used the summated rating of 10 restaurants to predict the cost of a restaurant...
A magazine used the summated rating of 10 restaurants to predict the cost of a restaurant meal. For that data, SSR 132,502.37 and SST 143,937.29. Complete parts (a) through (c) a. Determine the coefficient of determination, r, and interpret its meaning. I (Round to four decimal places as needed.) Interpret the meaning of It means that 96 of the variation in the cost of a meal Round to two decimal places as needed.) b. Determine the standard error of the...
Score: 1.6 of 4 pts 8 of 10 (10 complete) HW Score: 64.05%, 25.62 of 40...
Score: 1.6 of 4 pts 8 of 10 (10 complete) HW Score: 64.05%, 25.62 of 40 x 12.3.21-T :s Question Help An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the...
Online Trailer Views (millions) Opening Weekend Box Office Gross ($millions) 55.111 34.124 9.416 6.181 7.71 5.578...
Online Trailer Views (millions)
Opening Weekend Box Office Gross ($millions)
55.111
34.124
9.416
6.181
7.71
5.578
5.895
23.917
83.065
102.533
32.862
62.143
24.105
19.96
5.005
9.721
4.986
11.059
45.03
34.715
10.232
20.686
25.461
17.497
2.238
3.926
55.386
149.481
4.512
9.113
11.469
12.88
11.472
2.08
1.666
1.816
0.792
0.4
3.985
4.444
3.476
1.652
10.421
1.069
33.085
99.151
1.386
3.904
5.535
9.989
6.637
13.392
55.098
46.803
4.953
3.993
28.861
15.018
4.282
5.937
11.836
9.929
60.033
44.189
82.933
176.137
4.346
7.222
33.811
61.791...
Please only answer the question if you know how to and will answer all parts of it. Homework 14 i Saved 13ahomeom The homeownership rate in the U.S. was 62.4% in 2009- In order to determine if homeow...
Please only answer the question if you know how to and will
answer all parts of it.
Homework 14 i Saved 13ahomeom The homeownership rate in the U.S. was 62.4% in 2009- In order to determine if homeownership is linked with income, 2009 state- level data on the homeownership rate (Ownership in %) and median household income (income in $) were collected. A portion of the data is shown in the accompanying table 5 ownership Income 36,660 58,284 points State...
4. An agent for a residential real estate company in a suburb located outside a major...
4. An agent for a residential real estate company in a suburb located outside a major city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of an apartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of 8 one-bedroom apartments and the data are shown. Complete parts (a) through (f). Monthly Rent ($)...
#3 #5 #6 #7 please help me! Suppose IQ scores were obtained for 20 randomly selected...
#3
#5
#6
#7
please help me!
Suppose IQ scores were obtained for 20 randomly selected sels of siblings. The 20 pairs of measurements yield x=98.82, y = 101.15, r=0.907, P-value = 0.000, and = -4.91 + 1.07x, where x represents the IQ score of the younger child. Find the best predicted value of ý given that the younger child has an IQ of 106? Use a significance level of 0.05. Click the icon to view the critical values of...
ne goal, the agent 00 1,250 1,050 1,250 1,300 700 1350 1,100 aConstruct a scaer piot....
ne goal, the agent 00 1,250 1,050 1,250 1,300 700 1350 1,100 aConstruct a scaer piot. Chosse the comect graph below O A ов. o c. b. Use the leasi-squares method to determine the regression coefficients bo and b Round to one decimal place as Round to one decimal place as c. Interpret the meaning of bo and by in this probilem Choose the correct answer bellow O A. For each increase of 1 square foot in space, the monthly...
please show the steps and the code to solve this in R, thank you 11. (10 marks) (using dataset: "hpricel", in R:...
please show the steps and the
code to solve this in R, thank you
11. (10 marks) (using dataset: "hpricel", in R: data(hprice1, package-wooldridge')) Use the data to 5 estimate the model where price is the house price measured in thousands of dollars iWrite out the results in equation form. iiWhat is the estimated increase in price for a house with one more bedroom, holding square footage and lot size constant? iii What is the estimated increase in price for...
The accompanying data resulted from a study of the relationship between y = brightness of finished...
The accompanying data resulted from a study of the relationship between y = brightness of finished paper and the independent variables x1 = hydrogen peroxide (% by weight), x2 = sodium hydroxide (% by weight), x3 = silicate % by weight), and X4 = process temperature. y 0.1 0.3 2.5 160 82.9 0.2 0.2 1.5 145 83.9 0.4 0.2 1.5 145 84.9 0.5 0.3 2.5 160 85.5 0.3 0.1 2.5 160 85.2 0.2 0.4 1.5 145 83.4 0.4 | 0.4...
Will rate, thank you in advance.
Reported magazine newsstand sales were used to predict audited sales for 10 magazines. For that data, SSR = 132,184.22 and SST = 144,410.99. Complete parts (a) through (c). a. Determine the coefficient of determination, r?, and interpret its meaning. 2 (Round to four decimal places as needed.) Interpret the meaning of r2. It means that % of the variation in audited newsstand sales (Round to two decimal places as needed.) be explained by the...
A magazine used the summated rating of 10 restaurants to predict the cost of a restaurant meal. For that data, SSR 132,502.37 and SST 143,937.29. Complete parts (a) through (c) a. Determine the coefficient of determination, r, and interpret its meaning. I (Round to four decimal places as needed.) Interpret the meaning of It means that 96 of the variation in the cost of a meal Round to two decimal places as needed.) b. Determine the standard error of the...
Score: 1.6 of 4 pts 8 of 10 (10 complete) HW Score: 64.05%, 25.62 of 40 x 12.3.21-T :s Question Help An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the...
Online Trailer Views (millions)
Opening Weekend Box Office Gross ($millions)
55.111
34.124
9.416
6.181
7.71
5.578
5.895
23.917
83.065
102.533
32.862
62.143
24.105
19.96
5.005
9.721
4.986
11.059
45.03
34.715
10.232
20.686
25.461
17.497
2.238
3.926
55.386
149.481
4.512
9.113
11.469
12.88
11.472
2.08
1.666
1.816
0.792
0.4
3.985
4.444
3.476
1.652
10.421
1.069
33.085
99.151
1.386
3.904
5.535
9.989
6.637
13.392
55.098
46.803
4.953
3.993
28.861
15.018
4.282
5.937
11.836
9.929
60.033
44.189
82.933
176.137
4.346
7.222
33.811
61.791...
Please only answer the question if you know how to and will
answer all parts of it.
Homework 14 i Saved 13ahomeom The homeownership rate in the U.S. was 62.4% in 2009- In order to determine if homeownership is linked with income, 2009 state- level data on the homeownership rate (Ownership in %) and median household income (income in $) were collected. A portion of the data is shown in the accompanying table 5 ownership Income 36,660 58,284 points State...
4. An agent for a residential real estate company in a suburb located outside a major city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of an apartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of 8 one-bedroom apartments and the data are shown. Complete parts (a) through (f). Monthly Rent ($)...
#3
#5
#6
#7
please help me!
Suppose IQ scores were obtained for 20 randomly selected sels of siblings. The 20 pairs of measurements yield x=98.82, y = 101.15, r=0.907, P-value = 0.000, and = -4.91 + 1.07x, where x represents the IQ score of the younger child. Find the best predicted value of ý given that the younger child has an IQ of 106? Use a significance level of 0.05. Click the icon to view the critical values of...
ne goal, the agent 00 1,250 1,050 1,250 1,300 700 1350 1,100 aConstruct a scaer piot. Chosse the comect graph below O A ов. o c. b. Use the leasi-squares method to determine the regression coefficients bo and b Round to one decimal place as Round to one decimal place as c. Interpret the meaning of bo and by in this probilem Choose the correct answer bellow O A. For each increase of 1 square foot in space, the monthly...
please show the steps and the
code to solve this in R, thank you
11. (10 marks) (using dataset: "hpricel", in R: data(hprice1, package-wooldridge')) Use the data to 5 estimate the model where price is the house price measured in thousands of dollars iWrite out the results in equation form. iiWhat is the estimated increase in price for a house with one more bedroom, holding square footage and lot size constant? iii What is the estimated increase in price for...
The accompanying data resulted from a study of the relationship between y = brightness of finished paper and the independent variables x1 = hydrogen peroxide (% by weight), x2 = sodium hydroxide (% by weight), x3 = silicate % by weight), and X4 = process temperature. y 0.1 0.3 2.5 160 82.9 0.2 0.2 1.5 145 83.9 0.4 0.2 1.5 145 84.9 0.5 0.3 2.5 160 85.5 0.3 0.1 2.5 160 85.2 0.2 0.4 1.5 145 83.4 0.4 | 0.4...
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