Case Y X1 X2 X3 X4 X5 X6

1 43 45 92 61 39 30 51

2 63 47 73 63 54 51 64

3 71 48 88 76 69 68 70

4 61 35 86 54 47 45 63

5 81 47 85 71 66 56 78

6 43 34 51 54 44 49 55

7 58 35 70 66 56 42 67

8 71 41 64 70 57 50 75

9 72 31 81 71 69 72 82

10 67 41 78 62 49 45 61

11 64 34 65 58 60 53 53

12 67 41 72 59 41 47 60

13 69 25 61 55 44 57 62

14 68 35 75 59 47 83 83

15 77 46 75 79 74 54 77

16 81 36 52 60 74 50 90

17 74 63 77 79 71 64 85

18 65 60 78 55 77 65 60

19 65 46 83 75 59 46 70

20 50 52 76 64 56 68 58

1. What is the regression equation? (Perform a Multiple Regression Analysis and Paste the table in the first answer box.) 2. State the hypotheses to test for the significance of the independent factors. 3. Which independent factors are significant at alpha= 0.05? Explain. 4. State the hypotheses to test for the significance of the regression equation. Is the regression equation significant at alpha=0.05? Explain. 5. How much of the variability in Y is explained by your model? Explain. 6. What tools would you use to check if the model has multicollinearity problems? 7. Does this model have multicollinearity problems? Explain. 8. If you were to propose a simplified model, eliminating some variables, what would it be? Why? 9. What tools would you use to check if the model assumptions are met? 10. Does this model meet the assumptions? Explain.

Consider the following data:

1. What is the regression equation? (Perform a Multiple Regression Analysis and Paste the table in the first answer box.)

2. State the hypotheses to test for the significance of the independent factors.

3. Which independent factors are significant at alpha= 0.05? Explain.

4. State the hypotheses to test for the significance of the regression equation. Is the regression equation significant at alpha=0.05? Explain.

5. How much of the variability in Y is explained by your model? Explain.

6. What tools would you use to check if the model has multicollinearity problems?

7. Does this model have multicollinearity problems? Explain.

8. If you were to propose a simplified model, eliminating some variables, what would it be? Why?

9. What tools would you use to check if the model assumptions are met?

10. Does this model meet the assumptions? Explain.

25. In a rare biological example of positive feedback, an increase in ethylene production triggers more ethylene production. Explain how this effect, and the fact that ethylene is a gas, could help to coordinate the timing of the ripening process on a plant.

26. It is imperative that grocery stores have ripe fruit at the store for consumers to buy, but it is easier to transport produce in an unripened state. Explain how the commercial use of ethylene might help to solve this dilemma.

Assume that there is no policy response to the increased saving by American families and consider the transition from the short-run to the medium-run (the medium-run is some intermediary or a transition state between the short-run and the long-run) and back to the long run. True or False. The US will see increased inflation during the transition back to long-run equilibrium. If true, explain why. If false, explain why not. (use the IS-LM and AS-AD logic to answer)

An experiment consists of rolling an eight sided die and drawing a marble from a bag containing 3 blue, 5 red, 10 green, and 1 white. Let A be rolling an even number, B be drawing a green marble, C be rolling a number less than 4, and D be drawing a red or white marble. Write out each in words and find to the best of your ability.

(a) How big is the sample space and what are two ways to visualize it?

(b) P(A)

(c) P(A and C)

(d) P(A or C)

(e) P(A / C)

(f) P(A / B')

(g) P(B / D)

(h) P(A and D)

(i) P(A or D)

(j) Are any of the events mutually exclusive? Justify.

(k) Are any of the events independent from each other? Justify.

Star A is 3.2 times hotter than Star B. How many times brighter is Star A than Star B?

According to the Stefan-Boltzmann Law, a larger star will appear _________ than a smaller star of the same temperature.

brighter

bluer

redder

fainter

What is the peak wavelength of light coming from a star with a temperature of 4,300 K?
(Submit your answer in nanometers. Remember 1nm = 10^-9 m)

Sitting on the table is a red book and a blue book. Which one is hotter?

The blue book

They are probably the same temperature

The red book

Books are not blackbodies, so they do not emit radiation.

In order for an electron to move from one orbit to another, it must ...

emit or absorb light

increase in temperature

reach absolute zero

hit another electron

In this discussion, we'll talk about the nurse-client relationship and the use of therapeutic communication as an important part of that relationship. Please answer the following questions:

What are your concerns or fears about mental health nursing in general? Are you interested in mental health nursing, or do you approach the topic with some anxiety?

What do you feel are essential aspects of a good nurse-client relationship?

Please include an example of how you established good rapport and a good professional relationship with a patient in the work or clinical setting. What nonverbal and verbal techniques did you use in this relationship?

In this discussion, we'll talk about the nurse-client relationship and the use of therapeutic communication as an important part of that relationship. Please answer the following questions: What are your concerns or fears about mental health nursing in general? Are you interested in mental health nursing, or do you approach the topic with some anxiety? What do you feel are essential aspects of a good nurse-client relationship? Please include an example of how you established good rapport and a good professional relationship with a patient in the work or clinical setting. What nonverbal and verbal techniques did you use in this relationship?

a)Explain in detail (using graphs) on how differences in the marginal cost of capital (MCC) between two people lead to di¤erences in schooling (the persons have identical ability).

b) Explain in details (using graphs) on how differences in abilities between two people lead to di¤erences in schooling (the persons have identical MCCs)

Boston Consulting Group’s (BCG) now classic matrix, a company classifies each of its strategic business units.

Please explain the matrix, identify each of the quadrants in the matrix (including axis labels) in detail. Please explain how marketers should allocate their financial resources for SBU's in each quadrant. Include SBU examples for each quadrant.