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 |
1109939 |
2439 |
- |
2436 |
= |
3 |
* |
(1450 |
/ |
5861) |
= |
0.74219416 |
4 |
1109942 |
2474 |
- |
2485 |
= |
-11 |
* |
(1463 |
/ |
5861) |
= |
-2.74577717 |
5 |
1109943 |
2511 |
- |
2528 |
= |
-17 |
* |
(1455 |
/ |
5861) |
= |
-4.22026957 |
6 |
1109946 |
2547 |
- |
2552 |
= |
-5 |
* |
(1493 |
/ |
5861) |
= |
-1.27367343 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Saugus Union
|
-7 |
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 |
34691 |
2448 |
- |
2436 |
= |
12 |
* |
(1350 |
/ |
5790) |
= |
2.79792745 |
4 |
34694 |
2488 |
- |
2485 |
= |
3 |
* |
(1465 |
/ |
5790) |
= |
0.75906736 |
5 |
34696 |
2511 |
- |
2528 |
= |
-17 |
* |
(1502 |
/ |
5790) |
= |
-4.41001726 |
6 |
34698 |
2564 |
- |
2552 |
= |
12 |
* |
(1473 |
/ |
5790) |
= |
3.05284974 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Saugus Union
|
2 |
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 |
35330 |
2444 |
- |
2436 |
= |
8 |
* |
(1295 |
/ |
5651) |
= |
1.83330384 |
4 |
35332 |
2490 |
- |
2485 |
= |
5 |
* |
(1359 |
/ |
5651) |
= |
1.20244205 |
5 |
35333 |
2509 |
- |
2528 |
= |
-19 |
* |
(1475 |
/ |
5651) |
= |
-4.95929923 |
6 |
35335 |
2545 |
- |
2552 |
= |
-7 |
* |
(1522 |
/ |
5651) |
= |
-1.88533003 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Saugus Union
|
-4 |
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 |
35341 |
2453 |
- |
2436 |
= |
17 |
* |
(1242 |
/ |
5522) |
= |
3.82361462 |
4 |
35343 |
2490 |
- |
2485 |
= |
5 |
* |
(1328 |
/ |
5522) |
= |
1.20246288 |
5 |
35345 |
2511 |
- |
2528 |
= |
-17 |
* |
(1413 |
/ |
5522) |
= |
-4.35005432 |
6 |
35347 |
2556 |
- |
2552 |
= |
4 |
* |
(1539 |
/ |
5522) |
= |
1.11481347 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Saugus Union
|
2 |
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 |
35511 |
2455 |
- |
2436 |
= |
19 |
* |
(1404 |
/ |
5464) |
= |
4.88213763 |
4 |
35512 |
2499 |
- |
2485 |
= |
14 |
* |
(1280 |
/ |
5464) |
= |
3.2796486 |
5 |
35513 |
2513 |
- |
2528 |
= |
-15 |
* |
(1337 |
/ |
5464) |
= |
-3.67038798 |
6 |
35514 |
2562 |
- |
2552 |
= |
10 |
* |
(1443 |
/ |
5464) |
= |
2.6409224 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Saugus Union
|
7 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-7
|
2
|
-4
|
2
|
7
|
0.0 |
0.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.0
For the lines, you have the data necessary to plot the chart.