2015
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
413209 |
2339 |
- |
2436 |
= |
-97 |
* |
(82 |
/ |
485) |
= |
-16.39999991 |
4 |
413210 |
2412 |
- |
2485 |
= |
-73 |
* |
(81 |
/ |
485) |
= |
-12.19175256 |
5 |
413213 |
2387 |
- |
2528 |
= |
-141 |
* |
(72 |
/ |
485) |
= |
-20.93195873 |
6 |
413214 |
2397 |
- |
2552 |
= |
-155 |
* |
(67 |
/ |
485) |
= |
-21.412371 |
7 |
413217 |
2435 |
- |
2567 |
= |
-132 |
* |
(66 |
/ |
485) |
= |
-17.96288657 |
8 |
413218 |
2416 |
- |
2586 |
= |
-170 |
* |
(73 |
/ |
485) |
= |
-25.58762871 |
11 |
413221 |
2506 |
- |
2628 |
= |
-122 |
* |
(44 |
/ |
485) |
= |
-11.06804118 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Klamath-Trinity Joint Unified
|
-126 |
2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
12817 |
2354 |
- |
2436 |
= |
-82 |
* |
(73 |
/ |
508) |
= |
-11.78346453 |
4 |
12820 |
2406 |
- |
2485 |
= |
-79 |
* |
(83 |
/ |
508) |
= |
-12.90748025 |
5 |
12821 |
2425 |
- |
2528 |
= |
-103 |
* |
(80 |
/ |
508) |
= |
-16.22047234 |
6 |
12824 |
2385 |
- |
2552 |
= |
-167 |
* |
(71 |
/ |
508) |
= |
-23.34055109 |
7 |
12826 |
2437 |
- |
2567 |
= |
-130 |
* |
(69 |
/ |
508) |
= |
-17.65748023 |
8 |
12827 |
2455 |
- |
2586 |
= |
-131 |
* |
(68 |
/ |
508) |
= |
-17.53543298 |
11 |
12830 |
2491 |
- |
2628 |
= |
-137 |
* |
(64 |
/ |
508) |
= |
-17.25984239 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Klamath-Trinity Joint Unified
|
-117 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
13153 |
2353 |
- |
2436 |
= |
-83 |
* |
(85 |
/ |
500) |
= |
-14.11 |
4 |
13155 |
2399 |
- |
2485 |
= |
-86 |
* |
(73 |
/ |
500) |
= |
-12.556 |
5 |
13156 |
2419 |
- |
2528 |
= |
-109 |
* |
(85 |
/ |
500) |
= |
-18.53 |
6 |
13159 |
2399 |
- |
2552 |
= |
-153 |
* |
(81 |
/ |
500) |
= |
-24.786 |
7 |
13161 |
2422 |
- |
2567 |
= |
-145 |
* |
(62 |
/ |
500) |
= |
-17.98 |
8 |
13163 |
2417 |
- |
2586 |
= |
-169 |
* |
(60 |
/ |
500) |
= |
-20.28 |
11 |
13164 |
2502 |
- |
2628 |
= |
-126 |
* |
(54 |
/ |
500) |
= |
-13.608 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Klamath-Trinity Joint Unified
|
-122 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
13167 |
2361 |
- |
2436 |
= |
-75 |
* |
(71 |
/ |
493) |
= |
-10.80121703 |
4 |
13168 |
2405 |
- |
2485 |
= |
-80 |
* |
(84 |
/ |
493) |
= |
-13.6308316 |
5 |
13170 |
2427 |
- |
2528 |
= |
-101 |
* |
(69 |
/ |
493) |
= |
-14.13590263 |
6 |
13173 |
2417 |
- |
2552 |
= |
-135 |
* |
(78 |
/ |
493) |
= |
-21.35902635 |
7 |
13174 |
2428 |
- |
2567 |
= |
-139 |
* |
(76 |
/ |
493) |
= |
-21.42799189 |
8 |
13177 |
2417 |
- |
2586 |
= |
-169 |
* |
(57 |
/ |
493) |
= |
-19.53955371 |
11 |
13178 |
2465 |
- |
2628 |
= |
-163 |
* |
(58 |
/ |
493) |
= |
-19.17647045 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Klamath-Trinity Joint Unified
|
-120 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
13297 |
2358 |
- |
2436 |
= |
-78 |
* |
(77 |
/ |
511) |
= |
-11.75342462 |
4 |
13298 |
2410 |
- |
2485 |
= |
-75 |
* |
(78 |
/ |
511) |
= |
-11.44814085 |
5 |
13299 |
2413 |
- |
2528 |
= |
-115 |
* |
(86 |
/ |
511) |
= |
-19.35420733 |
6 |
13300 |
2440 |
- |
2552 |
= |
-112 |
* |
(63 |
/ |
511) |
= |
-13.80821915 |
7 |
13301 |
2430 |
- |
2567 |
= |
-137 |
* |
(70 |
/ |
511) |
= |
-18.76712324 |
8 |
13302 |
2440 |
- |
2586 |
= |
-146 |
* |
(77 |
/ |
511) |
= |
-21.99999993 |
11 |
13303 |
2451 |
- |
2628 |
= |
-177 |
* |
(60 |
/ |
511) |
= |
-20.78277873 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Klamath-Trinity Joint Unified
|
-118 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-126
|
-117
|
-122
|
-120
|
-118
|
-603.0 |
-120.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -111.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -129.6
For the lines, you have the data necessary to plot the chart.