Answer:
A. The price of cell phones decreased by 18 percent last year
Explanation:
Macro Economics is the study of economy at aggregate level, as a whole. It gives an overview top view of economy. So, Macro Economic statements are about the entire (whole) economy, at an aggregate level.
B] Stating about - aggregate worker productivity ; C] Stating about - Gross domestic product, being a national income estimate (depicting level of economic activity in the economy) ; D] Stating about - US inflation rate (depicting about general price level in the economy). These are all Macro Economic Statements.
However, A] The price of cell phones decreased by 18 percent last year : is just a statement of particular cell phones market. It is not about entire economy as a whole. So, it is not a macro economic statement
I would say your answer is A.
Glad I could help, and good luck!
The correct answer is
A) An increase in international shipping has led to more pollution.
Answer:
D. Donny, because his workers are not as busy to start with
Explanation:
Note: The complete question is attached as picture
Based on the information supplied. Both shops use the exact same technology to make doughnuts and have the same number of workers and the same size building. Observation: There are diminishing returns to capital. This means in as much a more capital is added to labor, the marginal products falls.
As there are diminishing returns to capital, Donny will benefit the most as his workers were not as busy to start with.
Answer:
1. Classification Matrix:
Actual Class 1 0
1 30 58
0 32 920
2.Overall error rate (err) 8.65%
Accuracy% 91.35%
Explanation:
To Construct the classification matrix and to calculate the error rate
1.CONSTRUCTION OF THE CLASSIFICATION MATRIX
Classification Matrix:
Classification Confusion Matrix
Predicted Class
Actual Class 1 0
1 30 58
(88-30=58)
0 32 920
(952-920)
Calculation for the error rate
Using this formula
Overall error rate (err) = Sum of Misclassification transactions/Total transaction
Let plug in the formula
Overall error rate (err) =[(88-30)+(952-920)]/(952+88)
Overall error rate (err) = (58+32)/1040
Overall error rate (err) =0.08653*100
Overall error rate (err) = 8.65 %
Accuracy% = 1-err
Accuracy%=100%-8.65%
Accuracy%= 91.35%