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 |
732977 |
2393 |
- |
2436 |
= |
-43 |
* |
(289 |
/ |
1819) |
= |
-6.83177567 |
4 |
732980 |
2418 |
- |
2485 |
= |
-67 |
* |
(284 |
/ |
1819) |
= |
-10.46069265 |
5 |
732981 |
2444 |
- |
2528 |
= |
-84 |
* |
(295 |
/ |
1819) |
= |
-13.62286968 |
6 |
732984 |
2477 |
- |
2552 |
= |
-75 |
* |
(321 |
/ |
1819) |
= |
-13.2352941 |
7 |
732985 |
2504 |
- |
2567 |
= |
-63 |
* |
(307 |
/ |
1819) |
= |
-10.63276521 |
8 |
732988 |
2507 |
- |
2586 |
= |
-79 |
* |
(323 |
/ |
1819) |
= |
-14.02803735 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Keppel 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 |
23077 |
2388 |
- |
2436 |
= |
-48 |
* |
(317 |
/ |
1862) |
= |
-8.17185821 |
4 |
23078 |
2420 |
- |
2485 |
= |
-65 |
* |
(299 |
/ |
1862) |
= |
-10.43770137 |
5 |
23080 |
2439 |
- |
2528 |
= |
-89 |
* |
(301 |
/ |
1862) |
= |
-14.38721802 |
6 |
23082 |
2466 |
- |
2552 |
= |
-86 |
* |
(292 |
/ |
1862) |
= |
-13.48657349 |
7 |
23085 |
2491 |
- |
2567 |
= |
-76 |
* |
(336 |
/ |
1862) |
= |
-13.71428565 |
8 |
23086 |
2511 |
- |
2586 |
= |
-75 |
* |
(317 |
/ |
1862) |
= |
-12.76852845 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Keppel Union Elementary
|
-73 |
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 |
23528 |
2404 |
- |
2436 |
= |
-32 |
* |
(250 |
/ |
1828) |
= |
-4.37636758 |
4 |
23530 |
2419 |
- |
2485 |
= |
-66 |
* |
(318 |
/ |
1828) |
= |
-11.48140039 |
5 |
23531 |
2439 |
- |
2528 |
= |
-89 |
* |
(310 |
/ |
1828) |
= |
-15.09299781 |
6 |
23534 |
2465 |
- |
2552 |
= |
-87 |
* |
(307 |
/ |
1828) |
= |
-14.61105031 |
7 |
23535 |
2487 |
- |
2567 |
= |
-80 |
* |
(301 |
/ |
1828) |
= |
-13.17286648 |
8 |
23537 |
2509 |
- |
2586 |
= |
-77 |
* |
(342 |
/ |
1828) |
= |
-14.40590806 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Keppel Union Elementary
|
-73 |
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 |
23536 |
2399 |
- |
2436 |
= |
-37 |
* |
(294 |
/ |
1806) |
= |
-6.02325579 |
4 |
23538 |
2441 |
- |
2485 |
= |
-44 |
* |
(262 |
/ |
1806) |
= |
-6.38316721 |
5 |
23540 |
2443 |
- |
2528 |
= |
-85 |
* |
(324 |
/ |
1806) |
= |
-15.24916941 |
6 |
23542 |
2471 |
- |
2552 |
= |
-81 |
* |
(321 |
/ |
1806) |
= |
-14.3970099 |
7 |
23544 |
2487 |
- |
2567 |
= |
-80 |
* |
(308 |
/ |
1806) |
= |
-13.6434108 |
8 |
23546 |
2501 |
- |
2586 |
= |
-85 |
* |
(297 |
/ |
1806) |
= |
-13.9784053 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Keppel Union Elementary
|
-70 |
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 |
23711 |
2400 |
- |
2436 |
= |
-36 |
* |
(253 |
/ |
1746) |
= |
-5.21649482 |
4 |
23712 |
2442 |
- |
2485 |
= |
-43 |
* |
(282 |
/ |
1746) |
= |
-6.94501716 |
5 |
23713 |
2453 |
- |
2528 |
= |
-75 |
* |
(271 |
/ |
1746) |
= |
-11.6408934 |
6 |
23714 |
2451 |
- |
2552 |
= |
-101 |
* |
(344 |
/ |
1746) |
= |
-19.89919816 |
7 |
23715 |
2491 |
- |
2567 |
= |
-76 |
* |
(308 |
/ |
1746) |
= |
-13.40664373 |
8 |
23716 |
2494 |
- |
2586 |
= |
-92 |
* |
(288 |
/ |
1746) |
= |
-15.17525768 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Keppel Union Elementary
|
-72 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-69
|
-73
|
-73
|
-70
|
-72
|
-357.0 |
-71.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -68.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.4
For the lines, you have the data necessary to plot the chart.