Answer:
d. It is best measured using the statistic variance inflation factor (VIF).
Explanation:
Multicollinearity is an important issue in multiple regression model, having many independent/ explanatory variables. Multicollinearity is the situation in which two or more independent variables are highly correlated. It is problematic because it increases the standard error of independent variable coefficient & undermines its statistical significance
Variance Inflation Factor [VIF] is a check & corrective measure of multicollinearity.
- VIF as a multicollinearity check : It quantifies the correlation between one explanatory variable with other explanatory variables.VIF = 1 implies there is no multicollinearity (correlation between independent variables); VIF upto 5 implies there is moderate multicollinearity (correlation between independent variables). VIF > 5 implies high multicollinearity (correlation between independent variables)
- VIF as a multicollinearity correction : Calculating
= σ^2 / ![[TSS j (1 - R^2j)]](https://tex.z-dn.net/?f=%5BTSS%20j%20%281%20-%20R%5E2j%29%5D)
; where TSS = total sum of square of variable j , σ^2 = j variance, R^2 j = R^2 from regressing all other independent variable on variable j
The current disposable income held to buy consumption goods in the future is referred to as saving.
Consumables are goods that are best suited for their end use. In other words, the end-user of consumer goods is the consumer themselves, and capital goods are the goods used to manufacture consumer goods.
Common examples include food, drink, clothing, shoes, and gasoline. Consumer services are usually intangible products or actions that are produced and consumed simultaneously.
Learn more about consumption goods here
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Answer:
C. Expenditures
Explanation:
Based on the information provided within the question it can be said that the Parks Department should use an expenditures account to record these billings. Expenditures refers to the action of spending funds to purchase goods or services on behalf of the company. Such purchases can include vehicle rentals like what was billed for the Parks Department.
Answer:
c. 10%
Explanation:
Margin of safety is the sales value at which the business is safe from making loss. It measures the profit after the break-even point. The sales over the break-even point is considered as the margin of safety.
Margin of safety = Actual Sales - Break-even point = 12,500 units - 11,250 units = 1250 units
Percentage of margin of safety to sales = Margin of safety / Actual sales
Percentage of margin of safety to sales = 1,250 / 12,500
Percentage of margin of safety to sales = 0.10
Percentage of margin of safety to sales = 10%
