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 |
3009480 |
2408 |
- |
2436 |
= |
-28 |
* |
(36 |
/ |
293) |
= |
-3.44027303 |
4 |
3009481 |
2426 |
- |
2485 |
= |
-59 |
* |
(39 |
/ |
293) |
= |
-7.85324232 |
5 |
3009484 |
2488 |
- |
2528 |
= |
-40 |
* |
(52 |
/ |
293) |
= |
-7.09897608 |
6 |
3009485 |
2486 |
- |
2552 |
= |
-66 |
* |
(35 |
/ |
293) |
= |
-7.88395898 |
7 |
3009488 |
2537 |
- |
2567 |
= |
-30 |
* |
(53 |
/ |
293) |
= |
-5.42662116 |
8 |
3009489 |
2581 |
- |
2586 |
= |
-5 |
* |
(37 |
/ |
293) |
= |
-0.63139932 |
11 |
3009492 |
2521 |
- |
2628 |
= |
-107 |
* |
(41 |
/ |
293) |
= |
-14.97269618 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Los Molinos Unified
|
-47 |
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 |
92257 |
2410 |
- |
2436 |
= |
-26 |
* |
(38 |
/ |
288) |
= |
-3.43055554 |
4 |
92260 |
2425 |
- |
2485 |
= |
-60 |
* |
(37 |
/ |
288) |
= |
-7.70833332 |
5 |
92261 |
2494 |
- |
2528 |
= |
-34 |
* |
(37 |
/ |
288) |
= |
-4.36805555 |
6 |
92264 |
2471 |
- |
2552 |
= |
-81 |
* |
(51 |
/ |
288) |
= |
-14.34374997 |
7 |
92266 |
2530 |
- |
2567 |
= |
-37 |
* |
(39 |
/ |
288) |
= |
-5.01041664 |
8 |
92268 |
2569 |
- |
2586 |
= |
-17 |
* |
(49 |
/ |
288) |
= |
-2.8923611 |
11 |
92269 |
2533 |
- |
2628 |
= |
-95 |
* |
(37 |
/ |
288) |
= |
-12.20486109 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Los Molinos Unified
|
-50 |
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 |
95047 |
2379 |
- |
2436 |
= |
-57 |
* |
(42 |
/ |
287) |
= |
-8.34146339 |
4 |
95050 |
2413 |
- |
2485 |
= |
-72 |
* |
(38 |
/ |
287) |
= |
-9.53310103 |
5 |
95051 |
2449 |
- |
2528 |
= |
-79 |
* |
(44 |
/ |
287) |
= |
-12.11149822 |
6 |
95053 |
2473 |
- |
2552 |
= |
-79 |
* |
(32 |
/ |
287) |
= |
-8.8083623 |
7 |
95055 |
2529 |
- |
2567 |
= |
-38 |
* |
(51 |
/ |
287) |
= |
-6.75261322 |
8 |
95057 |
2553 |
- |
2586 |
= |
-33 |
* |
(35 |
/ |
287) |
= |
-4.02439023 |
11 |
95060 |
2538 |
- |
2628 |
= |
-90 |
* |
(45 |
/ |
287) |
= |
-14.11149825 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Los Molinos Unified
|
-64 |
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 |
95231 |
2411 |
- |
2436 |
= |
-25 |
* |
(37 |
/ |
282) |
= |
-3.28014183 |
4 |
95234 |
2413 |
- |
2485 |
= |
-72 |
* |
(43 |
/ |
282) |
= |
-10.97872337 |
5 |
95235 |
2480 |
- |
2528 |
= |
-48 |
* |
(40 |
/ |
282) |
= |
-6.80851061 |
6 |
95238 |
2471 |
- |
2552 |
= |
-81 |
* |
(47 |
/ |
282) |
= |
-13.49999995 |
7 |
95239 |
2524 |
- |
2567 |
= |
-43 |
* |
(30 |
/ |
282) |
= |
-4.57446805 |
8 |
95242 |
2557 |
- |
2586 |
= |
-29 |
* |
(47 |
/ |
282) |
= |
-4.83333331 |
11 |
95243 |
2582 |
- |
2628 |
= |
-46 |
* |
(38 |
/ |
282) |
= |
-6.19858156 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Los Molinos Unified
|
-50 |
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 |
95896 |
2421 |
- |
2436 |
= |
-15 |
* |
(41 |
/ |
284) |
= |
-2.16549296 |
4 |
95897 |
2457 |
- |
2485 |
= |
-28 |
* |
(33 |
/ |
284) |
= |
-3.25352112 |
5 |
95898 |
2487 |
- |
2528 |
= |
-41 |
* |
(41 |
/ |
284) |
= |
-5.91901408 |
6 |
95899 |
2499 |
- |
2552 |
= |
-53 |
* |
(37 |
/ |
284) |
= |
-6.90492957 |
7 |
95900 |
2550 |
- |
2567 |
= |
-17 |
* |
(43 |
/ |
284) |
= |
-2.57394365 |
8 |
95901 |
2554 |
- |
2586 |
= |
-32 |
* |
(30 |
/ |
284) |
= |
-3.38028166 |
11 |
95902 |
2542 |
- |
2628 |
= |
-86 |
* |
(59 |
/ |
284) |
= |
-17.86619711 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Los Molinos Unified
|
-42 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-47
|
-50
|
-64
|
-50
|
-42
|
-253.0 |
-50.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.6
For the lines, you have the data necessary to plot the chart.