2008 Confidence Interval Detail
101/Harris
101-914/Katy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,159,791,438 | 0.9961 | 7,187,823,951 | 84 | 45,721 | .005085691 |
| B | 641,746,310 | 0.8935 | 718,238,735 | 13 | 110 | .000243687 |
| C | 257,226,810 | 0.8135 | 316,197,677 | 19 | 3,398 | .074810265 |
| F1 | 3,265,675,618 | 0.9573 | 3,411,339,829 | 11 | 1,524 | .001410140 |
| L1 | 823,627,656 | 0.9607 | 857,320,346 | 24 | 5,639 | .005453993 |
| Random Totals: | 12,148,067,832 | 12,490,920,538 | 151 | 56,392 | ||
| Catg D1 Exception Values: | 2,630,434 | 2,674,282 | ||||
| Total Test Values (4): | 12,150,698,266 | 12,493,594,820 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 624,679,741 |
Confidence Interval Values (5)
| State Lower Limit: | 11,868,915,079 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,150,698,266 | (Within Confidence Interval) |
| State Upper Limit: | 13,118,274,561 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,935,006,502 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories