| 1 |
The basic components of a time series are: |
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| 2 |
The least squares estimates are unbiased estimates of the |
- A. statistic
- B. time series
- C. parameters
- D. variance
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| 3 |
For a least squares line trend Y = a + bx, the b is the: |
- A. Intercept
- B. Slope
- C. Variable
- D. Trend
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| 4 |
The graph of time series is called: |
- A. Histogram
- B. Historigram
- C. Straight line
- D. Ogive
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| 5 |
The sum of deviations=Σ(y-ŷ) = |
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| 6 |
Methods of semi-averages gives an |
- A. accurate result
- B. objective result
- C. authentic result
- D. none of these
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| 7 |
In the measurement of secular trend the moving averages |
- A. give the trend in a straight line
- B. measure the seasonal variations
- C. smoothes out a time series
- D. measure irregular fluctuations
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| 8 |
The elimination or addition of a few more time periods may change its |
- A. speed
- B. value
- C. direction
- D. none of these
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| 9 |
The method of least square gives too much weight to extremely large deviations from the |
- A. population
- B. parameter
- C. sample
- D. trend
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| 10 |
The graph of a time series is called |
- A. histogram
- B. polygon
- C. straight line
- D. historigram
|