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 |
1403111 |
2399 |
- |
2436 |
= |
-37 |
* |
(9 |
/ |
63) |
= |
-5.28571425 |
4 |
1403112 |
2438 |
- |
2485 |
= |
-47 |
* |
(12 |
/ |
63) |
= |
-8.95238093 |
5 |
1403115 |
2458 |
- |
2528 |
= |
-70 |
* |
(11 |
/ |
63) |
= |
-12.22222218 |
6 |
1403116 |
0 |
- |
2552 |
= |
|
* |
(6 |
/ |
63) |
= |
|
7 |
1403119 |
2495 |
- |
2567 |
= |
-72 |
* |
(15 |
/ |
63) |
= |
-17.14285714 |
8 |
1403120 |
0 |
- |
2586 |
= |
|
* |
(10 |
/ |
63) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Twin Ridges Elementary
|
-44 |
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 |
44248 |
0 |
- |
2436 |
= |
|
* |
(7 |
/ |
63) |
= |
|
4 |
44250 |
2436 |
- |
2485 |
= |
-49 |
* |
(11 |
/ |
63) |
= |
-8.55555553 |
5 |
44252 |
2443 |
- |
2528 |
= |
-85 |
* |
(13 |
/ |
63) |
= |
-17.53968251 |
6 |
44254 |
0 |
- |
2552 |
= |
|
* |
(10 |
/ |
63) |
= |
|
7 |
44256 |
0 |
- |
2567 |
= |
|
* |
(5 |
/ |
63) |
= |
|
8 |
44258 |
2531 |
- |
2586 |
= |
-55 |
* |
(17 |
/ |
63) |
= |
-14.8412698 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Twin Ridges Elementary
|
-41 |
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 |
45333 |
2426 |
- |
2436 |
= |
-10 |
* |
(11 |
/ |
53) |
= |
-2.07547169 |
4 |
45335 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
53) |
= |
|
5 |
45338 |
2433 |
- |
2528 |
= |
-95 |
* |
(11 |
/ |
53) |
= |
-19.71698106 |
6 |
45340 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
53) |
= |
|
7 |
45341 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
53) |
= |
|
8 |
45344 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
53) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Twin Ridges Elementary
|
-22 |
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 |
45362 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
48) |
= |
|
4 |
45365 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
48) |
= |
|
5 |
45366 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
48) |
= |
|
6 |
45369 |
2460 |
- |
2552 |
= |
-92 |
* |
(11 |
/ |
48) |
= |
-21.08333327 |
7 |
45370 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
48) |
= |
|
8 |
45373 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
48) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Twin Ridges Elementary
|
-21 |
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 |
45498 |
2426 |
- |
2436 |
= |
-10 |
* |
(14 |
/ |
62) |
= |
-2.25806451 |
4 |
45499 |
0 |
- |
2485 |
= |
|
* |
(10 |
/ |
62) |
= |
|
5 |
45500 |
0 |
- |
2528 |
= |
|
* |
(10 |
/ |
62) |
= |
|
6 |
45501 |
0 |
- |
2552 |
= |
|
* |
(8 |
/ |
62) |
= |
|
7 |
45502 |
0 |
- |
2567 |
= |
|
* |
(9 |
/ |
62) |
= |
|
8 |
45503 |
2435 |
- |
2586 |
= |
-151 |
* |
(11 |
/ |
62) |
= |
-26.79032245 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Twin Ridges Elementary
|
-29 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-44
|
-41
|
-22
|
-21
|
-29
|
-157.0 |
-31.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.4
For the lines, you have the data necessary to plot the chart.