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 |
2467467 |
2397 |
- |
2436 |
= |
-39 |
* |
(1074 |
/ |
7767) |
= |
-5.39281575 |
4 |
2467468 |
2434 |
- |
2485 |
= |
-51 |
* |
(1080 |
/ |
7767) |
= |
-7.09154113 |
5 |
2467471 |
2459 |
- |
2528 |
= |
-69 |
* |
(1027 |
/ |
7767) |
= |
-9.1235998 |
6 |
2467472 |
2490 |
- |
2552 |
= |
-62 |
* |
(928 |
/ |
7767) |
= |
-7.4077507 |
7 |
2467475 |
2505 |
- |
2567 |
= |
-62 |
* |
(980 |
/ |
7767) |
= |
-7.8228402 |
8 |
2467476 |
2526 |
- |
2586 |
= |
-60 |
* |
(1021 |
/ |
7767) |
= |
-7.8872151 |
11 |
2467479 |
2569 |
- |
2628 |
= |
-59 |
* |
(1657 |
/ |
7767) |
= |
-12.5869705 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tracy Joint Unified
|
-57 |
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 |
75238 |
2404 |
- |
2436 |
= |
-32 |
* |
(1049 |
/ |
7759) |
= |
-4.32633069 |
4 |
75240 |
2438 |
- |
2485 |
= |
-47 |
* |
(1097 |
/ |
7759) |
= |
-6.64505731 |
5 |
75241 |
2459 |
- |
2528 |
= |
-69 |
* |
(1061 |
/ |
7759) |
= |
-9.43536533 |
6 |
75244 |
2486 |
- |
2552 |
= |
-66 |
* |
(1037 |
/ |
7759) |
= |
-8.82098204 |
7 |
75246 |
2500 |
- |
2567 |
= |
-67 |
* |
(1060 |
/ |
7759) |
= |
-9.15324138 |
8 |
75247 |
2525 |
- |
2586 |
= |
-61 |
* |
(1112 |
/ |
7759) |
= |
-8.74236366 |
11 |
75250 |
2568 |
- |
2628 |
= |
-60 |
* |
(1343 |
/ |
7759) |
= |
-10.3853589 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tracy Joint Unified
|
-58 |
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 |
77245 |
2408 |
- |
2436 |
= |
-28 |
* |
(1004 |
/ |
7529) |
= |
-3.73382918 |
4 |
77247 |
2439 |
- |
2485 |
= |
-46 |
* |
(1038 |
/ |
7529) |
= |
-6.34187804 |
5 |
77248 |
2464 |
- |
2528 |
= |
-64 |
* |
(1089 |
/ |
7529) |
= |
-9.25700621 |
6 |
77250 |
2486 |
- |
2552 |
= |
-66 |
* |
(1048 |
/ |
7529) |
= |
-9.18687739 |
7 |
77252 |
2499 |
- |
2567 |
= |
-68 |
* |
(993 |
/ |
7529) |
= |
-8.9685217 |
8 |
77254 |
2512 |
- |
2586 |
= |
-74 |
* |
(942 |
/ |
7529) |
= |
-9.25860006 |
11 |
77257 |
2557 |
- |
2628 |
= |
-71 |
* |
(1415 |
/ |
7529) |
= |
-13.34373752 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tracy Joint Unified
|
-60 |
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 |
77426 |
2415 |
- |
2436 |
= |
-21 |
* |
(950 |
/ |
7493) |
= |
-2.66248498 |
4 |
77427 |
2449 |
- |
2485 |
= |
-36 |
* |
(1023 |
/ |
7493) |
= |
-4.9149873 |
5 |
77429 |
2469 |
- |
2528 |
= |
-59 |
* |
(1025 |
/ |
7493) |
= |
-8.07086612 |
6 |
77432 |
2487 |
- |
2552 |
= |
-65 |
* |
(1087 |
/ |
7493) |
= |
-9.42946745 |
7 |
77433 |
2494 |
- |
2567 |
= |
-73 |
* |
(1055 |
/ |
7493) |
= |
-10.27825969 |
8 |
77436 |
2514 |
- |
2586 |
= |
-72 |
* |
(1015 |
/ |
7493) |
= |
-9.75310286 |
11 |
77437 |
2556 |
- |
2628 |
= |
-72 |
* |
(1338 |
/ |
7493) |
= |
-12.85679966 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tracy Joint Unified
|
-58 |
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 |
77947 |
2420 |
- |
2436 |
= |
-16 |
* |
(944 |
/ |
7532) |
= |
-2.00531067 |
4 |
77948 |
2449 |
- |
2485 |
= |
-36 |
* |
(981 |
/ |
7532) |
= |
-4.68879448 |
5 |
77949 |
2467 |
- |
2528 |
= |
-61 |
* |
(1007 |
/ |
7532) |
= |
-8.15546997 |
6 |
77950 |
2488 |
- |
2552 |
= |
-64 |
* |
(1016 |
/ |
7532) |
= |
-8.63303238 |
7 |
77951 |
2496 |
- |
2567 |
= |
-71 |
* |
(1096 |
/ |
7532) |
= |
-10.33138608 |
8 |
77952 |
2518 |
- |
2586 |
= |
-68 |
* |
(1034 |
/ |
7532) |
= |
-9.33510351 |
11 |
77953 |
2566 |
- |
2628 |
= |
-62 |
* |
(1454 |
/ |
7532) |
= |
-11.96866699 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tracy Joint Unified
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-58
|
-60
|
-58
|
-55
|
-288.0 |
-57.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.6
For the lines, you have the data necessary to plot the chart.