In the context of distinguishing between forecasting and prediction, which one of the following statements is false ?
Forecasting reflects management’s judgement after taking all available information into account; while prediction involves the projection of the past into the future.
Statement 2 is false — the two halves have been swapped.
The correct distinction :
| Forecasting | Prediction | |
|---|---|---|
| Basis | Projection of the past into the future using data and a theoretical model | Management’s judgement after taking all available information into account — including information the model cannot hold |
| Nature | Objective, systematic, replicable | Subjective, intuitive, personal |
| Error analysis | Possible — MAD, MSE, MAPE, tracking signal | Not possible, as there is no model against which to measure deviation |
| Repeatability | Two analysts with the same data reach the same figure | Two managers may reach different figures |
Statement 2 attributes the projection of the past to prediction and management’s judgement to forecasting. Both attributions are the wrong way round, which is what makes it the false statement.
Why the other three are true.
| Statement | Why it stands |
|---|---|
| 1 | Forecasting rests on a model — time series, regression, exponential smoothing. Prediction may indeed rest on intuition |
| 3 | Forecast error is measurable precisely because a forecast is generated by a stated method: \(e_{t}=A_{t}-F_{t}\), from which MAD and MSE follow. A hunch yields no such residual |
| 4 | Prediction is by definition subjective; that is the entire point of the contrast |
A caution against overstating the contrast. Prediction is not merely guesswork, and it is not inferior. A forecast can only extrapolate relationships present in past data, so it is blind to a structural break — a new competitor, a change of law, a technological shift. That is exactly where a manager’s judgement is indispensable, and it is why the best practice is to combine the two: generate a statistical forecast, then adjust it judgementally for information the data cannot yet contain.
The forecasting methods themselves divide the same way: quantitative methods — time-series and causal — require historical data, while qualitative methods such as the Delphi technique, expert opinion, sales-force composite and market research are used precisely when data are absent, as with a new product.
Hence, the answer is statement 2.
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Important Questions from Decision Making
Which of the following are necessary conditions for applying Simeon Denis Poisson distribution in the field of managerial decision making?
A. Each occurrence of an event is independent of the occurrence of the other event
B. The probability of an occurrence is the same for any two intervals of equal length
C. Poisson distribution describes continuous occurrences over a specific time interval
D. In each interval, occurrences can range from zero to infinity
Choose the correct answer from the options given below:
Which of the following common difficulties are faced in making decisions and implementing?
(A) Non-actionable information
(B) Unsupporting environment
(C) Easy acceptance by subordinates
(D) Ineffective communication
(E) Incorrect timing
Choose the correct answer from the options given below
The major components of Nicosia Model of consumer decision-making are:
A. The consumer's attitude based on firm's message exposure
B. Perceptual and learning constructs
C. Feedback in the form of purchase experience
D. Extensive problem solving by consumer
E. Consumer's product search and evaluation
Choose the correct answer from the options given below:
Match List - I with List - II.
List - I
Decision Rule
List - II
Rationale for applying the decision Rule to Down App.
(A)
Conjunctive
I)
"I bought the Smartphone App with the highest over all railing".
(B)
Disjunctive
(II)
"I down loaded the Smartphone App that had the most downloads".
(C)
Affect Referred
(III)
"I selected the Smart Phone App that had no bad features".
(D)
Majority vote
(IV)
"I picked the Smart Phone App that excelled in at least one attribute ".
Choose the correct answer from the options given below:
- What are the characteristics of programmed decisions ?
A. Problems are unique and novel
B. Solutions are based on rules and established procedures
C. Made by top management only
D. Problems are routine and repetitive
E. Conditions in which they occur are highly certain
Choose the most appropriate answer from the options given below :
