题目

In calculating the regression equation linking two variables, the standard formulae for the regression coefficients are given in terms of X and Y. Which of the following is true?

A

X must be the variable which will be forecast

B

It does not matter which variable is which

C

Y must be the dependent variable

D

Y must be the variable shown on the vertical

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Chapter14Forecasting

The independent variable is denoted by X and the dependent one by Y.With such a small sample and the extrapolation required, the estimate is unlikely to be reliable. (iii) is therefore not true.The sample of only six pairs of values is very small and is therefore likely to reduce the reliability of the estimate. (iv) is therefore true.The correct answer is therefore D.

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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