______ component of time series is indicated by periodic variation year after year. - Mathematics and Statistics

Advertisements
Advertisements
Fill in the Blanks

______ component of time series is indicated by periodic variation year after year.

Advertisements

Solution

Seasonal

Concept: Components of a Time Series
  Is there an error in this question or solution?
Chapter 2.4: Time Series - Q.2

RELATED QUESTIONS

Use the method of least squares to fit a trend line to the data in Problem 1 above. Also, obtain the trend value for the year 1975.


The following table gives the production of steel (in millions of tonnes) for years 1976 to 1986.

Year 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
Production 0 4 4 2 6 8 5 9 4 10 10

Fit a trend line to the above data by the graphical method.


Choose the correct alternative :

Which of the following can’t be a component of a time series?


Moving averages are useful in identifying _______.


An overall upward or downward pattern in an annual time series would be contained in which component of the times series?


Choose the correct alternative :

The following trend line equation was developed for annual sales from 1984 to 1990 with 1984 as base or zero year. Y = 500 + 60X (in 1000 Rs). The estimated sales for 1984 (in 1000 Rs) is:


Fill in the blank :

_______ component of time series is indicated by a smooth line.


_______ component of time series is indicated by periodic variation year after year.


Fill in the blank :

_______ component of time series is indicated by up and down movements without any pattern.


State whether the following is True or False :

The secular trend component of time series represents irregular variations.


State whether the following is True or False :

Seasonal variation can be observed over several years.


Cyclical variation can occur several times in a year.


Choose the correct alternative:

Which of the following can’t be a component of a time series?


 Which component of time series refers to erratic time series movements that follow no recognizable or regular pattern?


Choose the correct alternative:

The following trend line equation was developed for annual sales from 1984 to 1990 with 1984 as base or zero year.

Y = 500 + 60X (in 1000 ₹). The estimated sales for 1984 (in 1000 ₹) is


Choose the correct alternative:

An overall upward or downward pattern in an annual time series would be contained in which component of the times series?


______ components of time series is indicated by a smooth line


State whether the following statement is True or False: 

Seasonal variation can be observed over several years


Cyclical variation can occur several times in a year.


Share
Notifications



      Forgot password?
Use app×