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You are using an exponential smoothing on an annual time series concerning total revenues (in $millions). You decide to use a
1 answer
96 views
You are using an exponential smoothing on an annual time series concerning total revenues (in $millions). You decide to use a
1 answer
95 views
If you are using exponential smoothing for forecasting an annual time series of revenues, what is your forecast for next year if
1 answer
89 views
Which of the following stars has the hottest core?
Group of answer choices a red giant ( rst phase - not an AGB star) a main
1 answer
95 views
As a star ascends the red giant branch, which quantities decrease? (You can select more than one answer)
1 answer
75 views
Bot, Which Describes A Unitary System
A The States Hold All The Powers, But Can't Grant Some To The National Government B The
7 answers
148 views
Bot, In which parts of the scenario is the reporters right to free press being restricted
A 1 & 3 B 2 & 4 C 2 & 3 D 3 & 4
1 answer
128 views
Bot, in which parts of the scenario is the reporters right to free press being restricted.
1 answer
99 views
Bot, What Is 3√54 simplified
Note: you will find the option to add a cubic root symbol in the algebra (x) keyboard
5 answers
76 views
Torstein Hagen’s choice to renovate all its ships to meet certain business requirements is an example of which of the
1 answer
72 views
Torstein Hagen’s choice to renovate all its ships to meet certain business requirements is an example of which of the
1 answer
72 views
Viking chose to renovate its ships to use hybrid diesel engines, saving fuel costs and boosting profits. This decision is an
1 answer
116 views
Torstein Hagen’s choice to renovate all its ships to meet certain business requirements is an example of which of the
1 answer
103 views
Torstein Hagen’s choice to renovate all its ships to meet certain business requirements is an example of which of the
1 answer
61 views
What are spreads? Give an example of a currency pair that you think usually trades with a high spread, and a currency pair which
1 answer
59 views
What are some ways mentioned in the article that companies use to hedge their foreign exchange risk? What is natural hedging?
1 answer
54 views
What challenges do companies face when they expose to foreign currency risk?
1 answer
63 views
Consider a nine-year moving average used to smooth a time series that was first recorded in 1984.
Which year serves as the first
1 answer
85 views
The linear trend forecasting equation for an annual time series containing 22 values (from 2001 to 2022) on total revenues (in
1 answer
92 views
Which of the following statements about autoregressive model is true?
Group of answer choices It does regression automatically It
1 answer
100 views
Which of the following about the advantages of moving averages and exponential smoothing is INCORRECT?
Group of answer choices
1 answer
87 views
How many observations will be lost in creating
1. a five period Moving Average model? 2. a 2nd-order Autoregressive model?
1 answer
79 views
Which of the following statements about moving averages is true?
Group of answer choices, multiple possible answers It can be
1 answer
109 views
A second-order autoregressive model for annul average mortgage rate is:
Rate i = 0.5 + 1.0(Rate) i-1 - 0.5 (Rate) i-2 If the
1 answer
88 views
Which of the following statements about the method of Moving Average is true?
Group of answer choices Most recent observation is
1 answer
100 views
How can you determine whether colinieity exists in a model
1 answer
32 views
If the coefficient of determination between two independent variables is .50, what is the VIF?
1 answer
62 views
If the coefficient of determination between two independent variables is .20, what is the VIF?
1 answer
78 views
Hence find the principal which earns an interest of #29 7950 in 7years at a rate of 5% per annum
1 answer
38 views
Economic integration level in the African Continental Free TRade Area
1 answer
69 views
what is a free trade area
3 answers
40 views
What percentage of member nations' trade is determined by the African Continental Free Trade Area
1 answer
55 views
What goods are most sensitive to the African Continental Free Trade Area?
1 answer
58 views
Suppose that you want to calculate the VIF of variable X1 in the following model:
Yi =β0 + β1 X1i + β2 X2i + β3 X3i + ε
1 answer
52 views
Where the relationship between the dependent and and independent variables is quadratic, represented by equation - Yi= β0 +
1 answer
40 views
After using the quadratic model rather than the linear model, we found that the r^2 for the quadratic model is 0.876. What does
1 answer
84 views
The adjusted r^2 for the quadratic model is 0.9765 and the adjusted r^2 for the simple regression model is 0.94567.
What does
1 answer
83 views
In testing a Quadratic effect, we compare Adj R2 from simple regression model to which of the following from the quadratic
1 answer
88 views
Is best subset regression a sign of strong colinierity?
1 answer
82 views
Which of the following are indications of strong collinearity? (multiple answers)
Best Subset Regression Large change in the
1 answer
88 views
Which of the following are indications of strong collinearity?
Group of answer choices Best Subset Regression Large change in the
1 answer
82 views
How to calculate a VIF in a regression
1 answer
48 views
In a regression analysis, how do you tell if an independent variable is highly correlated with other independent variables?
1 answer
101 views
Calculate the T-stat of a regression given that the coefficient value is 0.000067, the Standard Deviation Error is 0.00007, and
1 answer
80 views
The relationship between X and Y is represented as a quadratic relationship and the summary regression output is shown below :
Co
1 answer
98 views
What would be the possible consequences of including highly correlated variables in multiple regressions? (multiple answers)
1 answer
88 views
If a quadratic regression model is Yi =β0 + β1 X1i +β2 X1i2 + ε, what should be the alternate hypothesis (H1) for testing
1 answer
125 views
What is the surface temperature in kelvins of a star that has a peak wavelength of 290 nm?
1 answer
57 views
Select any and all of the following which are true:
The speed of light is __________. Group of answer choices constant for all
1 answer
69 views
If the masses of both Jupiter and Saturn would suddenly increase 10 times, the force of gravity between them would:
3 answers
53 views
The Stephan-Boltzman law allows us to compute
Group of answer choices The amount of energy radiated by a blackbody per square
3 answers
107 views
The fastest spacecraft we have ever launched travels 20,000 times slower than the speed of light. How long
will the spacecraft
1 answer
91 views
If light from a hot star passes through a thin cool interstellar cloud that is moving toward you, the resulting spectrum can be
1 answer
37 views
Which of the following is not true about the photosphere?
Group of answer choices It is the region we see when we look at the Sun
1 answer
76 views
We observe an absorption line of Oxygen at 504 nm in Star A and at 508 nm in Star B. We know in the lab
this line has a
1 answer
89 views
We observe an absorption line of Oxygen at 504 nm in Star A and at 508 nm in Star B. We know in the lab
this line has a
1 answer
92 views
Gravitational (hydrostatic) equilibrium is a balance between:
Group of answer choices surface temperature and radial velocity
1 answer
77 views
A star emits visible light. If it gets hotter while staying at the same size, it becomes
Group of answer choices more luminous
1 answer
90 views
A star emits visible light. If it gets hotter while staying at the same size, it becomes
1 answer
56 views
do atoms in a blackbody behave just like isolated atoms?
1 answer
48 views
Which of the following statements does not apply to a blackbody?
Group of answer choices A blackbody doesn’t reflect any light
1 answer
91 views
Imagine you can build a satellite to study dark matter in the Milky Way. You want this satellite to start from the Milky Way's
1 answer
77 views
A photon of red light has:
Group of answer choices more energy than a photon of blue light There is no such thing as a red photon
1 answer
108 views
An infrared photon has a wavelength of 900 nm. An ultraviolet photon has a wavelength of 300 nm.
The energy of the ultraviolet
1 answer
84 views
An infrared photon has a wavelength of 900 nm. An ultraviolet photon has a wavelength of 300 nm.
The energy of the ultraviolet
1 answer
117 views
Which of the following most closely approximates the number of stars in the Milky Way?
Group of answer choices 10^11 10^2 10^4
1 answer
76 views
Which of the following most closely approximates the number of stars in the Milky Way?
1 answer
70 views
Write a one page report discussing the points made by Randy Pausch in "The Last Lecture"
1 answer
91 views
Who teaches International Business 200 at the University of Wisconsin - Madison?
1 answer
72 views
Past tense of go
3 answers
122 views
What is Contemporary World.?
1 answer
205 views
A committee of 2 is to be chosen at random from a group of 6 students consisting of 3 boys and 3 girls. What is the probability
9 answers
215 views
what three things did German girls learn in the BGM?
1 answer
88 views
what items did the nazis use to appeal to German children?
1 answer
77 views
what age group led the Hitler youth meetings?
1 answer
60 views
Explain the following:
Conclusions Based on the findings, the researcher had drawn the following conclusions: 1. The majority of
1 answer
174 views
Summarize all the conclusions:
Based on the findings, the researcher had drawn the following conclusions: 1. The majority of the
1 answer
133 views
Why did you decide to become a teacher.?
21 answers
157 views
which of these are perfect or imperfect fungi.
A. candida B. fruiting bodies of sac fungi C. Penicillium camemberti, a fungus
1 answer
110 views
state the ways that fungi can reproduce sexually?
1 answer
75 views
state the ways that fungi can reproduce asexually?
1 answer
75 views
(true or false)mycelia appear only in the ground below club mushrooms?
1 answer
82 views
how are mycelia and hyphae related?
1 answer
80 views
Table
Distribution of the STEM Srudents According to Academic Performance Grading Scale - 90-100 Verbal Description- Outstanding
3 answers
174 views
SELF-REGULATED CHALLENGES ENCOUNTERED BY STEM STUDENTS IN THE POST PANDEMIC EDUCATION.
Chapter 5 Recommendations
1 answer
114 views
Example of summarry of grade 11 and grade 12 in chapter 5 on research
3 answers
136 views
Grade 11 - Frequency - 64 - Percentage 53.33
Grade 12 - Frequency - 56 - Percentage 46.67 1. Describe the data in the table.
1 answer
156 views
The density formula p = m/v slove for v
3 answers
109 views
Looking for citation
3 answers
93 views
what was the Kellog-Briand treaty outlawing?
2 answers
100 views
what was the goal of the Kellog-Briand treaty?
1 answer
84 views
{x=4
{-y=1/2x (4,2) (-2,4) (2,-4) (4,-2)
1 answer
47 views
Use substitution to solve the linear system of equations.
{y=x-2 {2x+4=y (6,-8) (-6,8) (-6,-8) (6,8)
1 answer
97 views
Which of the following is a possible solution for a system of linear equations?
Select all that apply. one solution infinitely
1 answer
155 views
Determine which function(s) is not a linear function. Select all that apply.
x = 3 y = | x + 3| y=x/3 y=x-3 y=x^3/3 y = 3 x
1 answer
88 views
Determine which situations best represent the scenario shown in the graph of the quadratic functions, y = x2 and y = x2 + 3.
1 answer
215 views
A quadratic function models the graph of a parabola. The quadratic functions, y = x2 and y = x2 + 3, are modeled in the graphs
1 answer
245 views
Determine which function(s) is not a linear function. Select all that apply.
x = 3 y = | x + 3| y = 3 x
1 answer
87 views
Create a set of coordinates to model a relation that is a linear function.
1 answer
148 views
For the past ten years, Michelle has been tracking the average annual rainfall in Boynton Beach, Florida by recording her data
1 answer
177 views
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