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 |
150919 |
2402 |
- |
2436 |
= |
-34 |
* |
(136 |
/ |
800) |
= |
-5.78 |
4 |
150920 |
2439 |
- |
2485 |
= |
-46 |
* |
(134 |
/ |
800) |
= |
-7.705 |
5 |
150923 |
2454 |
- |
2528 |
= |
-74 |
* |
(140 |
/ |
800) |
= |
-12.95 |
6 |
150924 |
2456 |
- |
2552 |
= |
-96 |
* |
(141 |
/ |
800) |
= |
-16.92 |
7 |
150927 |
2481 |
- |
2567 |
= |
-86 |
* |
(116 |
/ |
800) |
= |
-12.47 |
8 |
150928 |
2504 |
- |
2586 |
= |
-82 |
* |
(133 |
/ |
800) |
= |
-13.6325 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Palermo Union Elementary
|
-69 |
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 |
4414 |
2417 |
- |
2436 |
= |
-19 |
* |
(127 |
/ |
764) |
= |
-3.15837695 |
4 |
4415 |
2439 |
- |
2485 |
= |
-46 |
* |
(145 |
/ |
764) |
= |
-8.73036645 |
5 |
4418 |
2462 |
- |
2528 |
= |
-66 |
* |
(135 |
/ |
764) |
= |
-11.66230362 |
6 |
4419 |
2434 |
- |
2552 |
= |
-118 |
* |
(125 |
/ |
764) |
= |
-19.30628267 |
7 |
4422 |
2478 |
- |
2567 |
= |
-89 |
* |
(129 |
/ |
764) |
= |
-15.02748686 |
8 |
4424 |
2496 |
- |
2586 |
= |
-90 |
* |
(103 |
/ |
764) |
= |
-12.13350777 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Palermo Union Elementary
|
-70 |
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 |
4497 |
2387 |
- |
2436 |
= |
-49 |
* |
(148 |
/ |
802) |
= |
-9.042394 |
4 |
4499 |
2436 |
- |
2485 |
= |
-49 |
* |
(137 |
/ |
802) |
= |
-8.37032416 |
5 |
4501 |
2440 |
- |
2528 |
= |
-88 |
* |
(151 |
/ |
802) |
= |
-16.56857849 |
6 |
4504 |
2442 |
- |
2552 |
= |
-110 |
* |
(128 |
/ |
802) |
= |
-17.55610967 |
7 |
4505 |
2462 |
- |
2567 |
= |
-105 |
* |
(118 |
/ |
802) |
= |
-15.44887775 |
8 |
4508 |
2481 |
- |
2586 |
= |
-105 |
* |
(120 |
/ |
802) |
= |
-15.71072318 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Palermo Union Elementary
|
-83 |
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 |
4485 |
2400 |
- |
2436 |
= |
-36 |
* |
(122 |
/ |
830) |
= |
-5.29156624 |
4 |
4488 |
2444 |
- |
2485 |
= |
-41 |
* |
(147 |
/ |
830) |
= |
-7.26144575 |
5 |
4489 |
2460 |
- |
2528 |
= |
-68 |
* |
(147 |
/ |
830) |
= |
-12.04337344 |
6 |
4492 |
2430 |
- |
2552 |
= |
-122 |
* |
(152 |
/ |
830) |
= |
-22.34216866 |
7 |
4493 |
2470 |
- |
2567 |
= |
-97 |
* |
(125 |
/ |
830) |
= |
-14.60843367 |
8 |
4496 |
2458 |
- |
2586 |
= |
-128 |
* |
(137 |
/ |
830) |
= |
-21.12771072 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Palermo Union Elementary
|
-83 |
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 |
4524 |
2409 |
- |
2436 |
= |
-27 |
* |
(128 |
/ |
861) |
= |
-4.01393726 |
4 |
4525 |
2443 |
- |
2485 |
= |
-42 |
* |
(138 |
/ |
861) |
= |
-6.73170729 |
5 |
4526 |
2459 |
- |
2528 |
= |
-69 |
* |
(156 |
/ |
861) |
= |
-12.50174209 |
6 |
4527 |
2442 |
- |
2552 |
= |
-110 |
* |
(148 |
/ |
861) |
= |
-18.90824617 |
7 |
4528 |
2468 |
- |
2567 |
= |
-99 |
* |
(158 |
/ |
861) |
= |
-18.16724735 |
8 |
4529 |
2487 |
- |
2586 |
= |
-99 |
* |
(133 |
/ |
861) |
= |
-15.29268286 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Palermo Union Elementary
|
-76 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-69
|
-70
|
-83
|
-83
|
-76
|
-381.0 |
-76.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.2
For the lines, you have the data necessary to plot the chart.