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Semmy [17]
3 years ago
11

Which of the following is true about multicollinearity?

Business
1 answer:
Komok [63]3 years ago
3 0

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  Var (\beta j ) = σ^2 / [TSS j (1 - R^2j)] ; 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
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The supervisor of an automated teller machine (ATM) facility learns that the machine is not functioning efficiently because it u
quester [9]

Answer:

E) The supervisor should identify and define the type of update needed.

Explanation:

The 5 stages of the organizational decision buying process are:

  1. Awareness and recognition
  2. Specification and research
  3. Request for proposals
  4. Evaluation of proposals
  5. Order and review process

The supervisor already passed stage 1 since he/she realized that their was a problem and it must be solved. The supervisor is currently in stage 2 since he/she must identify what type of software update is needed. The supervisor should try to be the most specific as possible including all the technical details that he/she is aware of.

8 0
3 years ago
Calculate the total revenue, total costs, and total gross profit the company will earn on the sale of L-Ten, Triol, and Pioze. A
trapecia [35]

Answer:

L-Ten, Triol and Pioze

Revenue $1,000,000  ; $2,000,000 ; $700,000

Total Costs $750,000  ; $750,000  ; $510,000

Gross Profits $250,000  ; $1,250,000  $190,000  

Explanation:

Gross Margin percentage = Gross margin / Revenue

Gross Margin Percentage = Total Gross Margin of all products / Total revenue

Gross Margin Percentage = $1,690,000 / $3,700,000 = 0.45

Gross margin percentage is 45%

7 0
3 years ago
Building Supplies is considering a merger with Tools and More. Building's total operating costs of producing services are $4 mil
Natalka [10]

Answer:

We generally calculate total average cost by dividing total cost / total output units.

In this case, we are not given the output units, but instead we are given the output value, so we should find a percentage from total revenue.

total costs = $4,800,000

total revenue = $20,000,000 + $5,000,000 = $25,000,000

average total cost = ($4,800,000 / $25,000,000) x 100 = 19.2%

This means that for every $100 of revenue, the merged company will spend $19.20.

7 0
3 years ago
On December 31, 2017, Coolwear, Inc. had a balance in its prepaid insurance account of $48,400. During 2018, $86,000 was paid fo
Liula [17]

Answer:

$92,400

Explanation:

Coolwear incorporation has a balance in its prepaid insurance account of $48,400

In 2018, $86,000 was paid for insurance

At the end of 2018, the balance was $42,000 after adjusting entries were recorded

Therefore the insurance expense for 2018 can be calculated as follows

= $48,400 + $86,000-$42,000

= $134,400-$42,000

= $92,400

Hence the insurance expense for 2018 is $92,400

4 0
3 years ago
At Bayside Financial, where you work as a project manager, you have been asked to conduct user training sessions for a new infor
Otrada [13]

Answer:

The correct total time is nineteen (19) days instead of twenty-one days.

Explanation:

Given the analysis of time for the project in parenthesis, it is feasible to merge some of the activities together by carrying them out simultaneously.

For example:

In the course of arranging and confirming the training facility to use which will last for 3 days, the development of the training material that ought to last for 5 days is brought down to a 2 days work because the initial 3 days for arrangement becomes vacant pending the reply on the final day. This brings the total days from 8 to 5.

Other days remain thus:

• Send an e-mail message to all department managers (1 day)  

• Print copies of handout (2 days)

• Develop a set of PowerPoint slides (5 days)

• Conduct a practice training session with the instructor (2 days)

• Conduct the user training sessions (4 days).

Hence, total days are as follow:

5 +1 + 2 + 5 + 2 + 4 = 19 days.

5 0
3 years ago
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