Applied Statistics-Time Series Analysis (ISS (Statistical Services) Statistics Paper III): Questions 1 - 7 of 17

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Question number: 1

» Applied Statistics » Time Series Analysis » Economic Time Series & Components

Appeared in Year: 2015

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List the main components of a times series. Explain the method of link relative for measurement of seasonal fluctuations of a times series.

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Question number: 2

» Applied Statistics » Time Series Analysis » Determination of Trend, Seasonal and Cyclical Fluctuations

Appeared in Year: 2009

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Explain ratio to moving average method for calculating seasonal indices.

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Question number: 3

» Applied Statistics » Time Series Analysis » Economic Time Series & Components

Appeared in Year: 2009

Short Answer Question▾

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Describe the Yule -Slutsky effect of moving average operation on the random component of a time series.

Question number: 4

» Applied Statistics » Time Series Analysis » Exponential and Moving Average Smoothing

Appeared in Year: 2011

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Explain moving average [m, p]. Let with p = 1 and m = 2k + 1, obtain the coefficient of and [m, p]

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Question number: 5

» Applied Statistics » Time Series Analysis » Economic Time Series & Components

Appeared in Year: 2010

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Discuss the ratio to trend method for separating the seasonal component in a time series.

Question number: 6

» Applied Statistics » Time Series Analysis » Exploratory Time Series Analysis

Appeared in Year: 2011

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Give the various steps for finding the variance of the random component using variate difference method. Is F-test used for testing the significance of homogeneity of two successive estimates of variance? If yes, ok, otherwise which ’test can be used? Discuss.

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Question number: 7

» Applied Statistics » Time Series Analysis » Determination of Trend, Seasonal and Cyclical Fluctuations

Appeared in Year: 2012

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What are the different methods for measurement of trend? Discuss the method of fitting a straight line using least squares method.

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