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 |
511050 |
2392 |
- |
2436 |
= |
-44 |
* |
(74 |
/ |
495) |
= |
-6.57777776 |
| 4 |
511051 |
2425 |
- |
2485 |
= |
-60 |
* |
(73 |
/ |
495) |
= |
-8.84848482 |
| 5 |
511054 |
2446 |
- |
2528 |
= |
-82 |
* |
(84 |
/ |
495) |
= |
-13.91515146 |
| 6 |
511055 |
2455 |
- |
2552 |
= |
-97 |
* |
(79 |
/ |
495) |
= |
-15.48080802 |
| 7 |
511058 |
2506 |
- |
2567 |
= |
-61 |
* |
(85 |
/ |
495) |
= |
-10.47474743 |
| 8 |
511059 |
2493 |
- |
2586 |
= |
-93 |
* |
(100 |
/ |
495) |
= |
-18.78787879 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kernville Union Elementary
|
-74 |
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 |
16194 |
2394 |
- |
2436 |
= |
-42 |
* |
(98 |
/ |
511) |
= |
-8.05479448 |
| 4 |
16196 |
2427 |
- |
2485 |
= |
-58 |
* |
(70 |
/ |
511) |
= |
-7.94520546 |
| 5 |
16197 |
2447 |
- |
2528 |
= |
-81 |
* |
(82 |
/ |
511) |
= |
-12.99804303 |
| 6 |
16200 |
2454 |
- |
2552 |
= |
-98 |
* |
(94 |
/ |
511) |
= |
-18.02739723 |
| 7 |
16202 |
2491 |
- |
2567 |
= |
-76 |
* |
(81 |
/ |
511) |
= |
-12.04696672 |
| 8 |
16204 |
2534 |
- |
2586 |
= |
-52 |
* |
(86 |
/ |
511) |
= |
-8.75146766 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kernville Union Elementary
|
-68 |
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 |
16510 |
2399 |
- |
2436 |
= |
-37 |
* |
(114 |
/ |
571) |
= |
-7.38704027 |
| 4 |
16512 |
2414 |
- |
2485 |
= |
-71 |
* |
(99 |
/ |
571) |
= |
-12.30998249 |
| 5 |
16515 |
2428 |
- |
2528 |
= |
-100 |
* |
(86 |
/ |
571) |
= |
-15.0612959 |
| 6 |
16517 |
2457 |
- |
2552 |
= |
-95 |
* |
(88 |
/ |
571) |
= |
-14.64098067 |
| 7 |
16518 |
2486 |
- |
2567 |
= |
-81 |
* |
(102 |
/ |
571) |
= |
-14.46935198 |
| 8 |
16520 |
2510 |
- |
2586 |
= |
-76 |
* |
(82 |
/ |
571) |
= |
-10.91418558 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kernville Union Elementary
|
-75 |
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 |
16528 |
2383 |
- |
2436 |
= |
-53 |
* |
(89 |
/ |
576) |
= |
-8.18923606 |
| 4 |
16530 |
2403 |
- |
2485 |
= |
-82 |
* |
(105 |
/ |
576) |
= |
-14.94791661 |
| 5 |
16532 |
2407 |
- |
2528 |
= |
-121 |
* |
(102 |
/ |
576) |
= |
-21.42708329 |
| 6 |
16534 |
2439 |
- |
2552 |
= |
-113 |
* |
(90 |
/ |
576) |
= |
-17.65625 |
| 7 |
16536 |
2474 |
- |
2567 |
= |
-93 |
* |
(90 |
/ |
576) |
= |
-14.53125 |
| 8 |
16538 |
2492 |
- |
2586 |
= |
-94 |
* |
(100 |
/ |
576) |
= |
-16.31944443 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kernville Union Elementary
|
-93 |
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 |
16662 |
2386 |
- |
2436 |
= |
-50 |
* |
(86 |
/ |
560) |
= |
-7.6785714 |
| 4 |
16663 |
2426 |
- |
2485 |
= |
-59 |
* |
(93 |
/ |
560) |
= |
-9.79821425 |
| 5 |
16664 |
2421 |
- |
2528 |
= |
-107 |
* |
(99 |
/ |
560) |
= |
-18.9160714 |
| 6 |
16665 |
2450 |
- |
2552 |
= |
-102 |
* |
(105 |
/ |
560) |
= |
-19.125 |
| 7 |
16666 |
2483 |
- |
2567 |
= |
-84 |
* |
(92 |
/ |
560) |
= |
-13.79999998 |
| 8 |
16667 |
2487 |
- |
2586 |
= |
-99 |
* |
(85 |
/ |
560) |
= |
-15.02678569 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kernville Union Elementary
|
-84 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-74
|
-68
|
-75
|
-93
|
-84
|
-394.0 |
-78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.8
For the lines, you have the data necessary to plot the chart.