WHAT IF...? REVISIONS TO TREND ESTIMATES
EFFECT OF NEW SEASONALLY ADJUSTED ESTIMATES ON TREND ESTIMATES
ANALYSIS
This information is presented to give an indicative view of the possible revision of the current trend estimates based on the different scenarios of the future seasonally adjusted estimates. These estimates should not be used as a prediction of future trend estimates. For further information, see Explanatory Notes, paragraphs 12 and 13.
The graph below presents the effect of two possible scenarios on the published trend estimates.
1 The September 2017 seasonally adjusted estimate of total vehicle sales is higher than the August 2017 seasonally adjusted estimate by 2.2%.
2 The September 2017 seasonally adjusted estimate of total vehicle sales is lower than the August 2017 seasonally adjusted estimate by 2.2%.
The percentage change of 2.2% was chosen because the average absolute percentage change over the last 10 years has been 2.2%.
Trend Sensitivity
| |
 | | | What if next month's seasonally adjusted estimate: |
| | Trend as published | (1) Rises by 2.2% | (2) Falls by 2.2% |
| | no. | no. | no. |
|
| 2017 | | | |
| May | 99 381 | 99 364 | 99 438 |
| June | 100 046 | 100 087 | 99 890 |
| July | 100 479 | 100 596 | 99 947 |
| August | 100 809 | 100 962 | 99 739 |
|
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Quality Declaration 
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