HSC Commerce कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Business Mathematics and Statistics

The following table shows the number of salesmen working for a certain concern:

Use the method of least squares to fit a straight line and estimate the number of salesmen in 1997

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A time series is a set of data recorded

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A time series consists of

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The components of a time series which is attached to short term fluctuation is

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Factors responsible for seasonal variations are

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The additive model of the time series with the components T, S, C and I is

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Least square method of fitting a trend is

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The value of ‘b’ in the trend line y = a + bx is

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The component of a time series attached to long term variation is trended as

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The seasonal variation means the variations occurring with in

Using three yearly moving averages, Determine the trend values from the following data.

From the following data, calculate the trend values using fourly moving averages.

Fit a straight line trend by the method of least squares to the following data

What is transportation problem?

Write mathematical form of transportation problem

What is feasible solution and non degenerate solution in transportation problem?

What do you mean by balanced transportation problem?

Find an initial basic feasible solution of the following problem using the northwest corner rule.

Determine an initial basic feasible solution of the following transportation problem by north west corner method.

Obtain an initial basic feasible solution to the following transportation problem by using least-cost method.