| 1 |
The method of least square gives too much weight to extremely large deviations from the |
- A. population
- B. parameter
- C. sample
- D. trend
|
| 2 |
The equation of the quadratic (parabolic) trend is |
- A. ŷ=a+bx
- B. ŷ=a+by
- C. ŷ=a+bΣx+cΣx<sup>2</sup>
- D. ŷ=a+bx+cx<sup>2</sup>
|
| 3 |
In moving average method, we cannot find the trend values of some: |
- A. Middle periods
- B. End periods
- C. Starting periods
- D. Between extreme periods
|
| 4 |
The basic components of a time series are: |
|
| 5 |
Increase the number of patients in the hospital due to heel stock is: |
- A. Seasonal trend
- B. Secular trend
- C. Cyclical movements
- D. Irregular variation
|
| 6 |
Methods of semi-averages gives an |
- A. accurate result
- B. objective result
- C. authentic result
- D. none of these
|
| 7 |
The graph of a time series is called |
- A. histogram
- B. polygon
- C. straight line
- D. historigram
|
| 8 |
For a least squares line trend Y = a + bx, the b is the: |
- A. Intercept
- B. Slope
- C. Variable
- D. Trend
|
| 9 |
The secular trend is measured by the method of semi-averages when |
- A. time series contains yearly values
- B. trend is linear
- C. time series contains odd number of values
- D. none of these
|
| 10 |
In a straight line equation Y = a + bX; a is the: |
- A. X - intercept
- B. Slope
- C. Y- intercept
- D. None of them
|