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 |
2879622 |
2435 |
- |
2436 |
= |
-1 |
* |
(494 |
/ |
2072) |
= |
-0.23841699 |
4 |
2879623 |
2484 |
- |
2485 |
= |
-1 |
* |
(437 |
/ |
2072) |
= |
-0.21090734 |
5 |
2879626 |
2500 |
- |
2528 |
= |
-28 |
* |
(450 |
/ |
2072) |
= |
-6.08108108 |
6 |
2879627 |
2528 |
- |
2552 |
= |
-24 |
* |
(414 |
/ |
2072) |
= |
-4.79536678 |
7 |
2879630 |
2543 |
- |
2567 |
= |
-24 |
* |
(124 |
/ |
2072) |
= |
-1.43629342 |
8 |
2879631 |
2561 |
- |
2586 |
= |
-25 |
* |
(153 |
/ |
2072) |
= |
-1.84604245 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rincon Valley Union Elementary
|
-15 |
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 |
88162 |
2439 |
- |
2436 |
= |
3 |
* |
(433 |
/ |
2052) |
= |
0.63304094 |
4 |
88164 |
2469 |
- |
2485 |
= |
-16 |
* |
(499 |
/ |
2052) |
= |
-3.89083819 |
5 |
88166 |
2506 |
- |
2528 |
= |
-22 |
* |
(418 |
/ |
2052) |
= |
-4.48148147 |
6 |
88169 |
2533 |
- |
2552 |
= |
-19 |
* |
(447 |
/ |
2052) |
= |
-4.13888888 |
7 |
88170 |
2550 |
- |
2567 |
= |
-17 |
* |
(137 |
/ |
2052) |
= |
-1.13499024 |
8 |
88173 |
2549 |
- |
2586 |
= |
-37 |
* |
(118 |
/ |
2052) |
= |
-2.1276803 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rincon Valley Union Elementary
|
-15 |
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 |
90712 |
2455 |
- |
2436 |
= |
19 |
* |
(427 |
/ |
2093) |
= |
3.87625416 |
4 |
90714 |
2472 |
- |
2485 |
= |
-13 |
* |
(439 |
/ |
2093) |
= |
-2.72670806 |
5 |
90716 |
2498 |
- |
2528 |
= |
-30 |
* |
(470 |
/ |
2093) |
= |
-6.7367415 |
6 |
90717 |
2537 |
- |
2552 |
= |
-15 |
* |
(434 |
/ |
2093) |
= |
-3.11036789 |
7 |
90720 |
2574 |
- |
2567 |
= |
7 |
* |
(172 |
/ |
2093) |
= |
0.57525083 |
8 |
90722 |
2559 |
- |
2586 |
= |
-27 |
* |
(151 |
/ |
2093) |
= |
-1.94792164 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rincon Valley Union Elementary
|
-10 |
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 |
90916 |
2449 |
- |
2436 |
= |
13 |
* |
(432 |
/ |
2017) |
= |
2.78433316 |
4 |
90918 |
2494 |
- |
2485 |
= |
9 |
* |
(421 |
/ |
2017) |
= |
1.87853247 |
5 |
90920 |
2498 |
- |
2528 |
= |
-30 |
* |
(402 |
/ |
2017) |
= |
-5.97917697 |
6 |
90922 |
2537 |
- |
2552 |
= |
-15 |
* |
(475 |
/ |
2017) |
= |
-3.53247396 |
7 |
90924 |
2555 |
- |
2567 |
= |
-12 |
* |
(136 |
/ |
2017) |
= |
-0.80912245 |
8 |
90926 |
2578 |
- |
2586 |
= |
-8 |
* |
(151 |
/ |
2017) |
= |
-0.59890926 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rincon Valley Union Elementary
|
-6 |
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 |
91557 |
2457 |
- |
2436 |
= |
21 |
* |
(430 |
/ |
1956) |
= |
4.6165644 |
4 |
91558 |
2498 |
- |
2485 |
= |
13 |
* |
(412 |
/ |
1956) |
= |
2.7382413 |
5 |
91559 |
2519 |
- |
2528 |
= |
-9 |
* |
(388 |
/ |
1956) |
= |
-1.78527607 |
6 |
91560 |
2536 |
- |
2552 |
= |
-16 |
* |
(402 |
/ |
1956) |
= |
-3.28834355 |
7 |
91561 |
2534 |
- |
2567 |
= |
-33 |
* |
(195 |
/ |
1956) |
= |
-3.28987728 |
8 |
91562 |
2551 |
- |
2586 |
= |
-35 |
* |
(129 |
/ |
1956) |
= |
-2.3082822 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rincon Valley Union Elementary
|
-3 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-15
|
-15
|
-10
|
-6
|
-3
|
-49.0 |
-9.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.8
For the lines, you have the data necessary to plot the chart.