Time Series Analysis Test 1

Question 1

The graph of a time series is referred to as

Accepted Answer

Historigram

Answer

Histogram

Answer

Line Graph

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Trend

Question 2

The secular tendency has undergone the following movement(s).

Accepted Answer

All of the above

Answer

Regular

Answer

Steady

Answer

Smooth

Question 3

In a business, prosperity, recession, and depression are examples of this.

Accepted Answer

Cyclical Component

Answer

Secular Trend

Answer

Irregular Component

Answer

Seasonal Component

Question 4

Moving averages are used to calculate the secular trend:

Accepted Answer

Smooth out the time series

Answer

Give the trend in a straight line

Answer

Measures the seasonal variations

Answer

None of the above

Question 5

According to time series theory, a shortage of specific consumer items prior to the yearly budget is caused by

Accepted Answer

Seasonal Component

Answer

Cyclinal Component

Answer

Secular Trend

Answer

Irregular Component

Question 6

The term "observation set" refers to a collection of observations taken at regular intervals of time.

Accepted Answer

Time series data

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Data

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Array data

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Geometric Series

Question 7

A fire in a factory has caused production to be halted for several weeks is

Accepted Answer

Irregular Component

Answer

Cyclinal Component

Answer

Secular Trend

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Seasonal Component

Question 8

Which trend may be eliminated using second differencing in time series?

Accepted Answer

Quadratic Trend

Answer

Linear Trend and Quadratic Trend

Answer

Linear Trend

Answer

None of the above

Question 9

Ratio-to-trend analysis is a typical approach for determining

Accepted Answer

Deseasonalize data

Answer

Take moving average

Answer

Remove multicollinearity

Answer

Represent graphical curve