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 |
3002438 |
2399 |
- |
2436 |
= |
-37 |
* |
(237 |
/ |
1274) |
= |
-6.88304551 |
4 |
3002441 |
2423 |
- |
2485 |
= |
-62 |
* |
(232 |
/ |
1274) |
= |
-11.29042382 |
5 |
3002442 |
2448 |
- |
2528 |
= |
-80 |
* |
(222 |
/ |
1274) |
= |
-13.94034536 |
6 |
3002445 |
2469 |
- |
2552 |
= |
-83 |
* |
(195 |
/ |
1274) |
= |
-12.70408159 |
7 |
3002446 |
2475 |
- |
2567 |
= |
-92 |
* |
(213 |
/ |
1274) |
= |
-15.38147558 |
8 |
3002449 |
2503 |
- |
2586 |
= |
-83 |
* |
(175 |
/ |
1274) |
= |
-11.40109887 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Corning Union Elementary
|
-72 |
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 |
91954 |
2388 |
- |
2436 |
= |
-48 |
* |
(223 |
/ |
1341) |
= |
-7.98210288 |
4 |
91956 |
2424 |
- |
2485 |
= |
-61 |
* |
(234 |
/ |
1341) |
= |
-10.64429528 |
5 |
91957 |
2431 |
- |
2528 |
= |
-97 |
* |
(245 |
/ |
1341) |
= |
-17.72184937 |
6 |
91960 |
2448 |
- |
2552 |
= |
-104 |
* |
(223 |
/ |
1341) |
= |
-17.29455624 |
7 |
91961 |
2490 |
- |
2567 |
= |
-77 |
* |
(198 |
/ |
1341) |
= |
-11.36912746 |
8 |
91963 |
2470 |
- |
2586 |
= |
-116 |
* |
(218 |
/ |
1341) |
= |
-18.85756888 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Corning Union Elementary
|
-84 |
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 |
94735 |
2404 |
- |
2436 |
= |
-32 |
* |
(251 |
/ |
1380) |
= |
-5.82028982 |
4 |
94738 |
2443 |
- |
2485 |
= |
-42 |
* |
(225 |
/ |
1380) |
= |
-6.84782608 |
5 |
94739 |
2448 |
- |
2528 |
= |
-80 |
* |
(223 |
/ |
1380) |
= |
-12.92753616 |
6 |
94742 |
2443 |
- |
2552 |
= |
-109 |
* |
(247 |
/ |
1380) |
= |
-19.50942026 |
7 |
94744 |
2477 |
- |
2567 |
= |
-90 |
* |
(229 |
/ |
1380) |
= |
-14.93478252 |
8 |
94745 |
2485 |
- |
2586 |
= |
-101 |
* |
(205 |
/ |
1380) |
= |
-15.00362312 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Corning 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 |
94932 |
2408 |
- |
2436 |
= |
-28 |
* |
(204 |
/ |
1371) |
= |
-4.16630194 |
4 |
94933 |
2443 |
- |
2485 |
= |
-42 |
* |
(252 |
/ |
1371) |
= |
-7.71991244 |
5 |
94936 |
2452 |
- |
2528 |
= |
-76 |
* |
(220 |
/ |
1371) |
= |
-12.19547771 |
6 |
94937 |
2460 |
- |
2552 |
= |
-92 |
* |
(215 |
/ |
1371) |
= |
-14.42742519 |
7 |
94939 |
2484 |
- |
2567 |
= |
-83 |
* |
(257 |
/ |
1371) |
= |
-15.5587162 |
8 |
94941 |
2473 |
- |
2586 |
= |
-113 |
* |
(223 |
/ |
1371) |
= |
-18.38001455 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Corning Union Elementary
|
-72 |
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 |
95579 |
2413 |
- |
2436 |
= |
-23 |
* |
(211 |
/ |
1336) |
= |
-3.63248501 |
4 |
95580 |
2444 |
- |
2485 |
= |
-41 |
* |
(210 |
/ |
1336) |
= |
-6.44461075 |
5 |
95581 |
2453 |
- |
2528 |
= |
-75 |
* |
(240 |
/ |
1336) |
= |
-13.47305385 |
6 |
95582 |
2479 |
- |
2552 |
= |
-73 |
* |
(207 |
/ |
1336) |
= |
-11.31062869 |
7 |
95583 |
2491 |
- |
2567 |
= |
-76 |
* |
(211 |
/ |
1336) |
= |
-12.00299396 |
8 |
95584 |
2474 |
- |
2586 |
= |
-112 |
* |
(257 |
/ |
1336) |
= |
-21.54491013 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Corning Union Elementary
|
-68 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-72
|
-84
|
-75
|
-72
|
-68
|
-371.0 |
-74.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.2
For the lines, you have the data necessary to plot the chart.