MCQ TIME SERIES
MCQ 16.1
An orderly set of data arranged in accordance with their time of occurrence is called:
(a) Arithmetic series (b) Harmonic series (c) Geometric series (d) Time series
MCQ 16.2
A time series consists of:
(a) Short-term variations (b) Long-term variations (c) Irregular variations (d) All of the above
MCQ 16.3
The graph of time series is called:
(a) Histogram (b) Straight line (c) Historigram (d) Ogive
MCQ 16.4
Secular trend can be measured by:
(a) Two methods (b) Three methods (c) Four methods (d) Five methods
MCQ 16.5
The secular trend is measured by the method of semi-averages when:
(a) Time series based on yearly values (b) Trend is linear
(c) Time series consists of even number of values (d) None of them
MCQ 16.6
Increase in the number of patients in the hospital due to heat stroke is:
(a) Secular trend (b) Irregular variation (c) Seasonal variation (d) Cyclical variation
MCQ 16.7
The systematic components of time series which follow regular pattern of variations are called:
(a) Signal (b) Noise (c) Additive model (d) Multiplicative model
MCQ 16.8
The unsystematic sequence which follows irregular pattern of variations is called:
(a) Noise (b) Signal (c) Linear (d) Non-linear
MCQ 16.9
In time series seasonal variations can occur within a period of:
(a) Four years (b) Three years (c) One year (d) Nine years
MCQ 16.10
Wheat crops badly damaged on account of rains is:
(a) Cyclical movement (b) Random movement (c) Secular trend (d) Seasonal movement
MCQ 16.11
The method of moving average is used to find the:
(a) Secular trend (b) Seasonal variation (c) Cyclical variation (d) Irregular variation
MCQ 16.12
A complete cycle consists of a period of:
(a) Prosperity and depression (b) Prosperity and recovery
(c) Prosperity and recession (d) Recession and recovery
MCQ 16.13
A complete cycle passes through:
(a) Two stages (b) Three stages (c) Four stages (d) Difficult to tell
, MCQ 16.14
Most frequency used mathematical model of a time series is:
(a) Additive model (b) Mixed model (c) Multiplicative model (d) Regression model
MCQ 16.15
A time series consists of:
(a) No mathematical model (b) One mathematical model
(c) Two mathematical models (d) Three mathematical models
MCQ 16.16
In a straight line equation Y = a + bX; a is the:
(a) X-intercept (b) Slope (c) Y-intercept (d) None of them
MCQ 16.17
In a straight line equation Y = a + bX; b is the:
(a) Y-intercept (b) Slope (c) X-intercept (d) Trend
MCQ 16.18
Value of b in the trend line Y = a + bX is:
(a) Always negative (b) Always positive (c) Always zero (d) Both negative and positive
MCQ 16.19
In semi averages method, we decide the data into:
(a) Two parts (b) Two equal parts (c) Three parts (d) Difficult to tell
MCQ 16.20
The sum of squares of residuals is denoted by:
MCQ 16.21
In fitting a straight line, the value of slope b remain unchanged with the change of:
(a) Scale (b) Origin (c) Both (a) and (b) (d) Neither (a) and (b)
MCQ 16.22
If a straight line is fitted to the time series, then:
MCQ 16.23
Moving average method is used for measurement of trend when:
(a) Trend is linear (b) Trend is non linear (c) Trend is curvilinear (d) None of them
MCQ 16.24
When the trend is of exponential type, the moving averages are to be computed by using:
(a) Arithmetic mean (b) Geometric mean (c) Harmonic mean (d) Weighted mean
MCQ 16.25
The long term trend of a time series graph appears to be:
(a) Straight-line (b) Upward (c) Downward (d) Parabolic curve or third degree curve
MCQ 16.26
Indicate which of the following an example of seasonal variations is:
(a) Death rate decreased due to advance in science
(b) The sale of air condition increases during summer
(c) Recovery in business (d) Sudden causes by wars
MCQ 16.1
An orderly set of data arranged in accordance with their time of occurrence is called:
(a) Arithmetic series (b) Harmonic series (c) Geometric series (d) Time series
MCQ 16.2
A time series consists of:
(a) Short-term variations (b) Long-term variations (c) Irregular variations (d) All of the above
MCQ 16.3
The graph of time series is called:
(a) Histogram (b) Straight line (c) Historigram (d) Ogive
MCQ 16.4
Secular trend can be measured by:
(a) Two methods (b) Three methods (c) Four methods (d) Five methods
MCQ 16.5
The secular trend is measured by the method of semi-averages when:
(a) Time series based on yearly values (b) Trend is linear
(c) Time series consists of even number of values (d) None of them
MCQ 16.6
Increase in the number of patients in the hospital due to heat stroke is:
(a) Secular trend (b) Irregular variation (c) Seasonal variation (d) Cyclical variation
MCQ 16.7
The systematic components of time series which follow regular pattern of variations are called:
(a) Signal (b) Noise (c) Additive model (d) Multiplicative model
MCQ 16.8
The unsystematic sequence which follows irregular pattern of variations is called:
(a) Noise (b) Signal (c) Linear (d) Non-linear
MCQ 16.9
In time series seasonal variations can occur within a period of:
(a) Four years (b) Three years (c) One year (d) Nine years
MCQ 16.10
Wheat crops badly damaged on account of rains is:
(a) Cyclical movement (b) Random movement (c) Secular trend (d) Seasonal movement
MCQ 16.11
The method of moving average is used to find the:
(a) Secular trend (b) Seasonal variation (c) Cyclical variation (d) Irregular variation
MCQ 16.12
A complete cycle consists of a period of:
(a) Prosperity and depression (b) Prosperity and recovery
(c) Prosperity and recession (d) Recession and recovery
MCQ 16.13
A complete cycle passes through:
(a) Two stages (b) Three stages (c) Four stages (d) Difficult to tell
, MCQ 16.14
Most frequency used mathematical model of a time series is:
(a) Additive model (b) Mixed model (c) Multiplicative model (d) Regression model
MCQ 16.15
A time series consists of:
(a) No mathematical model (b) One mathematical model
(c) Two mathematical models (d) Three mathematical models
MCQ 16.16
In a straight line equation Y = a + bX; a is the:
(a) X-intercept (b) Slope (c) Y-intercept (d) None of them
MCQ 16.17
In a straight line equation Y = a + bX; b is the:
(a) Y-intercept (b) Slope (c) X-intercept (d) Trend
MCQ 16.18
Value of b in the trend line Y = a + bX is:
(a) Always negative (b) Always positive (c) Always zero (d) Both negative and positive
MCQ 16.19
In semi averages method, we decide the data into:
(a) Two parts (b) Two equal parts (c) Three parts (d) Difficult to tell
MCQ 16.20
The sum of squares of residuals is denoted by:
MCQ 16.21
In fitting a straight line, the value of slope b remain unchanged with the change of:
(a) Scale (b) Origin (c) Both (a) and (b) (d) Neither (a) and (b)
MCQ 16.22
If a straight line is fitted to the time series, then:
MCQ 16.23
Moving average method is used for measurement of trend when:
(a) Trend is linear (b) Trend is non linear (c) Trend is curvilinear (d) None of them
MCQ 16.24
When the trend is of exponential type, the moving averages are to be computed by using:
(a) Arithmetic mean (b) Geometric mean (c) Harmonic mean (d) Weighted mean
MCQ 16.25
The long term trend of a time series graph appears to be:
(a) Straight-line (b) Upward (c) Downward (d) Parabolic curve or third degree curve
MCQ 16.26
Indicate which of the following an example of seasonal variations is:
(a) Death rate decreased due to advance in science
(b) The sale of air condition increases during summer
(c) Recovery in business (d) Sudden causes by wars
