2009 Confidence Interval Detail
238/Ward
238-904/Grandfalls-Royalty ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 2,755,580 | 0.7013 | 3,929,246 | 10 | 1,138 | .024592474 |
| G1 | 24,559,250 | 1.2423 | 19,769,178 | 6 | 79 | .169886143 |
| G1 | 24,231,009 | 1.0161 | 23,847,071 | 5 | 23 | .002577775 |
| G1 | 24,110,140 | 1.0529 | 22,898,794 | 4 | 10 | .000395127 |
| G1 | 23,851,913 | 1.0982 | 21,719,098 | 3 | 4 | .040768632 |
| Random Totals: | 99,507,892 | 92,163,387 | 28 | 1,254 | ||
| Catg J Exception Values: | 6,608,330 | 6,713,304 | ||||
| Catg D1 Exception Values: | 373,690 | 771,602 | ||||
| Total Test Values (4): | 106,489,912 | 99,648,293 |
Margin of Error
| Margin of Error Percent: | 7.2165331 |
|---|---|
| Margin of Error Value: | 7,191,152 |
Confidence Interval Values (5)
| State Lower Limit: | 92,457,141 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 106,489,912 | (Within Confidence Interval) |
| State Upper Limit: | 106,839,445 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 127,424,130 | (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