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Showing 39 of 39 questions

Q11m

Which type of variations are produced in the time series variable due to seasonal component?

Q21m

Which variation is shown in 'decrease in the production of a company' due to strike?

Q31m

Name the method for fitting the linear equation to find linear trend.

Q41m

How do you show the additive model of the time series?

Q51m

State the independent variable of time series.

Q61m

Which component of the time series is impossible to predict?

Q71m

Which of the following variations are due to cyclical component?

Q81m

The trend equation obtained from a time series from January 2016 to December 2016 is y^=30.1+1.5t\hat{y} = 30.1 + 1.5t. Find the value of trend for April 2016.

Q91m

Which of the following fluctuations is the effect of seasonal component?

Q101m

Which method of finding trend is best to eliminate the effect of repetitive short-term variations?

Q111m

Give an example of time series having decreasing trend.

Q121m

What is a time series?

Q131m

Which of the components of time series produce short-term variations?

Q141m

What is meant by analysis of time series?

Q151m

What is the notation to show the cyclical component of the time series?

Q161m

State the names of methods of measuring trend.

Q171m

The effect of which component indicates fluctuations repeating within one year?

Q181m

State the components of time series.

Q191m

When is the method of moving average more useful to find trend?

Q201m

The linear equation fitted using the data of 7 weeks for a variable yy is y^=25.11.3t\hat{y} = 25.1 - 1.3t. Estimate the value of yy for the eighth week.

Q213m

What is the importance of time series?

Q223m

State five uses of time series analysis.

Q232m

Define Trend of a time series.

Q242m

Define Seasonal Component with examples.

Q252m

Define Cyclical Component.

Q262m

Define Random or Irregular Component.

Q272m

What is the additive model of time series?

Q283m

Differentiate between seasonal component and cyclical component.

Q293m

State the merits of the graphical method.

Q303m

State the limitations of the graphical method.

Q313m

State the merits of the method of least squares.

Q323m

State the limitations of the method of least squares.

Q333m

State the merits of the method of moving averages.

Q343m

State the limitations of the method of moving averages.

Q353m

Difference between graphical method and method of least squares.

Q362m

What is the independent variable in a time series?

Q372m

What does yty_t denote in a time series?

Q382m

What are the four stages of a cyclical component?

Q392m

Which component of time series is impossible to predict?