taxes Property Tax Assistance

2023 Confidence Interval Detail

Harris County
101-921/Tomball ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,288,758,281 1.0179 2,248,509,953 152 7,176 0.008168312
A 3,299,562,947 1.0388 3,176,321,666 150 7,738 0.006092816
A 4,270,059,251 1.0194 4,188,796,597 148 7,279 0.007870079
A 4,449,525,804 1.0048 4,428,270,107 115 3,765 0.015589675
B 581,386,593 0.9395 618,825,538 7 27 0.016219865
C1 75,126,187 0.6683 112,413,867 11 751 0.071236827
C1 108,651,981 0.8508 127,705,666 17 331 0.102409148
C1 104,703,707 0.8060 129,905,344 10 121 0.059552243
C1 114,279,609 1.0176 112,303,075 10 48 0.007680180
F1 643,350,626 0.8542 753,161,585 14 569 0.087474343
F1 716,488,825 0.9140 783,904,623 12 196 0.026310041
F1 654,487,769 0.8671 754,800,795 12 63 0.050313309
F1 678,805,361 1.0921 621,559,712 9 13 0.047592569
L1 104,903,133 1.0537 99,556,926 10 945 0.010937818
L1 120,759,685 1.0373 116,417,319 16 199 0.013254669
L1 126,921,857 0.9855 128,789,302 8 50 0.015157332
L1 154,168,079 1.0413 148,053,471 6 13 0.006481485
Random Totals: 18,491,939,695 18,549,295,546 707 29,284
CATG D1 EXCEPTION VALUES: 1,304,319 1,250,258
Total Test Values 18,493,244,014 18,550,545,804

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 927,527,290

Confidence Interval Values(5)

Local Test Value: 18,493,244,014 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 17,623,018,514 (State Test Value minus Margin of Error Percent)
State Upper Limit: 19,478,073,094 (State Test Value plus Margin of Error Percent)

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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values