<span>Answer: Direct questioning.
Explanation: In Direct Questioning method, the researcher asks specific questions to the respondent. This method of pretesting is used mostly in the starting stage of Ad development. The other methods of pretesting are: Focus Group, Portfolio Test, Paired Comparison Test, Order-of-merit Test, Mock-Magazine Test, Perceptual Meaning Studies, Direct Mail Test, Physiological Testing.</span>
Answer:
Economic profit will be $40
So option (d) will be correct option
Explanation:
We have given number of units produced = 20 units
Price of per unit = $10 per unit
So revenue = 20×$10 = $200
Revenue :20 units * $10 = 200
Fixed cost is given $100
Variable cost: 20 units ×$3 = 60
So total cost= Fixed cost + Variable cost = 100 + 60 =$160
So economic profit = Revenue - Total cost = 200 - 160 = $40
So option (d) will be correct answer
Answer:
The account "Warranty Liability":
is adjusted at the end of the year
Answer: b. The instrument is correlated with x1.
d. The instrument does not directly influence y, except through x1.
Explanation:
Based on the information given in the question, the necessary characteristics of a suitable instrument include:
• The instrument is correlated with x1.
• The instrument does not directly influence y, except through x1.
Some of the criteria for an instrument variable are the fact that it should have a causal effect on independent variable and also the dependent variable isn't directly affected except through the independent variable which is x1 in this scenario.
Therefore, the correct option are B and D.
