2007 Confidence Interval Detail
109/Hill
109-910/Mount Calm ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,965,775 | 0.9402 | 2,090,805 | 12 | 69 | .021503126 |
| A | 2,036,115 | 0.9508 | 2,141,476 | 10 | 42 | .038306925 |
| A | 1,943,646 | 0.9066 | 2,143,885 | 10 | 28 | .018314849 |
| A | 1,897,990 | 0.9445 | 2,009,518 | 10 | 17 | .000865628 |
| D3 | 12,131,861 | 0.9472 | 12,808,130 | 19 | 695 | .109825258 |
| Random Totals: | 19,975,387 | 21,193,814 | 61 | 851 | ||
| Catg J Exception Values: | 1,018,597 | 937,890 | ||||
| Catg D1 Exception Values: | 2,344,228 | 1,890,495 | ||||
| Total Test Values (4): | 23,338,212 | 24,022,199 |
Margin of Error
| Margin of Error Percent: | 8.1047743 |
|---|---|
| Margin of Error Value: | 1,946,945 |
Confidence Interval Values (5)
| State Lower Limit: | 22,075,254 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 23,338,212 | (Within Confidence Interval) |
| State Upper Limit: | 25,969,144 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 20,565,047 | (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