Question
In: Statistics and Probability
The table below shows a measure of the “liberalness” of various American cities and a measure...
The table below shows a measure of the “liberalness” of various American cities and a measure of the corresponding asking price per square foot for housing.
| Liberalness | 1 | 0 | 6 | 7 | 10 | 15 | 16 | 19 | 22 | 25 | 26 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Price | 2 | 3 | 2 | 2 | 0 | 7 | 6 | 8 | 7 | 8 | 4 | 16 |
Enter the slope and y-intercept of the regression line, using liberalness as the independent variable. Round your answers to two decimal places.
Slope: Intercept:
Enter the correlation coefficient and the coefficient of determination for the data. Round your answers to two decimal places.
Correlation coefficient: Coefficient of determination:
Solutions
Expert Solution
| x | y | (x-xbar)^2 | (y-ybar)^2 | (x-xbar)*(y-ybar) | |
| 1 | 2 | 189.0625 | 11.673611 | 46.97916667 | |
| 0 | 3 | 217.5625 | 5.8402778 | 35.64583333 | |
| 6 | 2 | 76.5625 | 11.673611 | 29.89583333 | |
| 7 | 2 | 60.0625 | 11.673611 | 26.47916667 | |
| 10 | 0 | 22.5625 | 29.340278 | 25.72916667 | |
| 15 | 7 | 0.0625 | 2.5069444 | 0.395833333 | |
| 16 | 6 | 1.5625 | 0.3402778 | 0.729166667 | |
| 19 | 8 | 18.0625 | 6.6736111 | 10.97916667 | |
| 22 | 7 | 52.5625 | 2.5069444 | 11.47916667 | |
| 25 | 8 | 105.0625 | 6.6736111 | 26.47916667 | |
| 26 | 4 | 126.5625 | 2.0069444 | -15.9375 | |
| 30 | 16 | 232.5625 | 112.00694 | 161.3958333 | |
| sum | 177 | 65 | 1102.25 | 202.91667 | 360.25 |
| mean | 14.75 | 5.416666667 | sxx | syy | sxy |
| slope=b1=sxy/sxx | 0.326831481 | ||||
| intercept=b0=ybar-(slope*xbar) | 0.595902321 | ||||
| SST | SYY | 202.91667 | |||
| SSR | sxy^2/sxx | 117.74104 | |||
| SSE | syy-sxy^2/sxx | 85.175626 |
slope (b1) = 0.33
intercept (bo) = 0.60
#Correlation=r=Sxy/sqrt(Sxx*Syy)
=360.25/sqrt(1102.25*202.91667)
r=0.7617
#Correlation coefficient=0.76
#Coefficent of determination=r^2
r^2=SSR/SST
=117.741/202.916
r^2=0.5802
#Coefficient of determination:=0.58
orchestra answered 1 year agoRelated Solutions
The table below shows performance data for 100 flights between cities A - G for some...
The table below shows performance data for 100 flights between
cities A - G for some airline, including: date, flight #, origin,
destination, # passengers flown (load), and tardiness (late, in
hours).
write a VBA code (N=10000) to simulate the following:
1. (I7): number of flights which were late for at least 0.75
hrs.
2. (I10) average load of flights originated from C with load
exceeding 250.
3. (I13): smallest tardiness of flights from B to E between
9/1/18 and...
The table below shows the various items produced and their values in a hypothetical economy within...
The table below shows the various items produced and
their values in a hypothetical economy within a particular year.
Use the information to answer the following questions:
ITEM
VALUE (million GHc)
Sugar cane
200
Tie-and-dye
400
Flour
950
Palm Fruit
1000
Furniture
500
Palm Kernel
2500
Wheat
150
“Friday Dress”
700
Bread
2100
Kernel oil
2800
Subsidy
250
Depreciation
300
Taxes
480
Net Factor Income from Abroad (NFIA)
-500
Using the Value Added approach, Compute:
i) Gross Domestic Product (GDP)...
The table below shows the various items produced and their values in a hypothetical economy within...
The table below shows the various items produced and
their values in a hypothetical economy within a particular year.
Use the information to answer the following questions:
ITEM
VALUE (million GHc)
Sugar cane
200
Tie-and-dye
400
Flour
950
Palm Fruit
1000
Furniture
500
Palm Kernel
2500
Wheat
150
“Friday Dress”
700
Bread
2100
Kernel oil
2800
Subsidy
250
Depreciation
300
Taxes
480
Net Factor Income from Abroad (NFIA)
-500
Using the Value Added approach, Compute:
i) Gross Domestic Product (GDP)...
The table below shows the murder rate per 100,000 residents for a large American city over...
The table below shows the murder rate per 100,000 residents for
a large American city over a twelve-year period.
Year
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
Rate
8.8
7.1
7.2
6.8
6.4
7.1
5.8
6.1
5.4
6.2
6.1
4.9
Enter the coefficients of the regression line for
this data, rounding each to two decimal places:
Slope:
Intercept:
Use your regression line (with rounded
coefficients) to estimate this city’s murder rate in 2012. Round
your...
The table below shows three different technologies used to produce various levels of output. Output Tech...
The table below shows three different technologies used to
produce various levels of output.
Output
Tech 1
Tech 2
Tech 3
K
L
K
L
K
L
1
6
1
4
4
2
7
2
7
3
6
6
3
10
3
9
5
8
8
4
14
4
12
7
10
10
5
20
5
15
9
12
12
6
26
6
21
11
14
14
7
32
(a) In general,
which technology is the most desirable?
(b) Which technology will...
5. The table below shows various bond prices at different maturity levels for zero coupon bonds....
5. The table below shows various bond prices at different
maturity levels for zero coupon bonds. Based on this information,
how would you describe the shape of the yield curve – is it: flat,
upward sloping, downward sloping or there is not enough information
present to make a determination? What does this shape mean? Note
that the bonds all have $1,000 face value. maturity
price
maturity
price
1
950.24
2
900.70
3
860.38
4
820.27
The current yields for zero-coupon...
(1 point) The table below shows (lifetime) peptic ulcer rates (per 100 population), UU, for various...
(1 point) The table below shows (lifetime) peptic ulcer rates
(per 100 population), UU, for various family incomes, xx, as
reported by the 1989 National Health Interview Survey.
Income
4000
6000
8000
12000
16000
20000
30000
45000
60000
Ulcer rate
14.2
13.6
12.9
12.8
12.9
12.4
11.5
9.4
7.9
(a) Find the equation of the regression line.
Ulcer rate, U(x)=U(x)= .
(b) Estimate the peptic ulcer rate for an income level of x0=x0=
28000 according to the linear model in part...
The table below shows (lifetime) peptic ulcer rates (per 100 population), UU, for various family incomes,...
The table below shows (lifetime) peptic ulcer rates (per 100
population), UU, for various family incomes, xx, as reported by the
1989 National Health Interview Survey.
Income
4000
6000
8000
12000
16000
20000
30000
45000
60000
Ulcer rate
13
13.6
13.3
13.2
12.2
12
10.6
9
8
(a) Find the equation of the regression line.
Ulcer rate, U(x)=U(x)= .
(b) Estimate the peptic ulcer rate for an income level of x0=x0=
23000 according to the linear model in part (a).
Ulcer...
Asian cities except Japan, South Sahara African cities, and Latin American cities. a. Find the cities...
Asian cities except Japan, South Sahara African cities, and
Latin American cities.
a. Find the cities which have more than 10% of nation's total
population in above?
b. Find the unemployment rate in those cities?
Use the table below to answer the next two questions. The table below shows the relationship...
Use the table below to answer the next two questions. The table
below shows the relationship between the number of workers hired
and production. Wage is fixed at $49. How many workers should be
hired to maximize profits if the product is sold at the price of $5
per unit?
2
3
4
5
Labor
Quantity of Product
Marginal Product of Labor
Wage
1
8
8
49
2
20
12
49
3
36
16
49
4
46
10
49
5...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Let p0 = 1+x; p1 = 1+3x+x2; p2 = 2x+x2; p3 = 1+x+x2 2 R[x]. (a)...
- A: Provide a numerical example of how Earned Value Management may mislead us as to whether...
- Daryl wishes to save money to provide for his retirement. Beginning one month from now, he...
- L= {w belongs to {0,1}* | the number of 0's is a prime number} . Prove...
- What are Foyal's five management functions? Identify which organizational units accomplish these functions in your airport...
- An air conditioning unit, where water condensation is allowed, cools 9,791 m3 / min of humid...
- how do u calculate value of a bond You consider purchasing $1000 face value 7 year...
ADVERTISEMENT