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Which of the following are necessary if forecasts obtained from a time series analysis are to be reliable? (i) There must be no unforeseen events (ii) The model used must fit the past data (iii) The trend must be increasing (iv) There must be no seasonal variation

A

(i) only

B

(i) and (ii) only

C

(i), (ii) and (iii) only

D

(i), (ii), (iii) and (iv)

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Chapter14Forecasting

(i) Forecasts are made on the assumption that everything continues as in the past.(ii) If the model being used is inappropriate, for example, if an additive model is used when the trend is changing sharply, forecasts will not be very reliable.(iii) Provided a multiplicative model is used, the fact that the trend is increasing need not have any adverse effect on the reliability of forecasts.(iv) Provided the seasonal variation remains the same in the future as in the past, it will not make forecasts unreliable.(i) and (ii) are therefore necessary and hence the correct answer is B.

多做几道

Which of the following statements about management accounting information is/are true?

(i) They must be stated in purely monetary terms.

(ii) Limited companies must, by law, prepare management accounts.

(iii) They serve as a future planning tool and are not used as an historical record.

A

(i), (ii) and (iii)

B

(i) and (ii)

C

(ii) only

D

None of the statements is true

Which of the following statements is/are correct?

(i) A management control system is a term used to describe the hardware and software used to drive a database system which produces information outputs that are easily assimilated by management.

(ii) An objective is a course of action that an organisation might pursue in order to achieve its strategy.

(iii) Information is data that has been processed into a form meaningful to the recipient.

A

(i), (ii) and (iii)

B

(i) and (iii)

C

(ii) and (iii)

D

(iii) only

Good information should have certain qualities. Which of the following are qualities of good information?(i) Complete(ii) Extensive(iii) Relevant(iv) Accurate

A

(i), (ii) and (iii)

B

(i), (iii) and (iv)

C

(ii) and (iv)

D

All of them

Monthly variance reports are an example of which one of the following types of management information?

A

Tactical

B

Strategic

C

Non-financial

D

Operational

Which of the following statements is/are correct?

(i) Information for decision-making should incorporate uncertainty in some way

(ii) The data used to prepare financial accounts and management accounts are the

A

(i) is true and (ii) is false

B

(ii) is true and (i) is false

C

Both are true

D

Both are false

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