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 |
2741061 |
2385 |
- |
2436 |
= |
-51 |
* |
(20 |
/ |
63) |
= |
-16.19047617 |
4 |
2741062 |
2471 |
- |
2485 |
= |
-14 |
* |
(15 |
/ |
63) |
= |
-3.33333333 |
5 |
2741065 |
2516 |
- |
2528 |
= |
-12 |
* |
(18 |
/ |
63) |
= |
-3.42857142 |
6 |
2741066 |
0 |
- |
2552 |
= |
|
* |
(10 |
/ |
63) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bonny Doon Union Elementary
|
-23 |
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 |
83316 |
2463 |
- |
2436 |
= |
27 |
* |
(25 |
/ |
82) |
= |
8.2317073 |
4 |
83319 |
2502 |
- |
2485 |
= |
17 |
* |
(22 |
/ |
82) |
= |
4.56097559 |
5 |
83320 |
2556 |
- |
2528 |
= |
28 |
* |
(17 |
/ |
82) |
= |
5.80487804 |
6 |
83323 |
2573 |
- |
2552 |
= |
21 |
* |
(18 |
/ |
82) |
= |
4.6097561 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bonny Doon Union Elementary
|
23 |
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 |
85634 |
2436 |
- |
2436 |
= |
0 |
* |
(28 |
/ |
94) |
= |
0.0 |
4 |
85637 |
2486 |
- |
2485 |
= |
1 |
* |
(30 |
/ |
94) |
= |
0.31914894 |
5 |
85639 |
2499 |
- |
2528 |
= |
-29 |
* |
(21 |
/ |
94) |
= |
-6.4787234 |
6 |
85640 |
2562 |
- |
2552 |
= |
10 |
* |
(15 |
/ |
94) |
= |
1.59574468 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bonny Doon Union Elementary
|
-5 |
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 |
85861 |
2422 |
- |
2436 |
= |
-14 |
* |
(26 |
/ |
98) |
= |
-3.71428571 |
4 |
85864 |
2497 |
- |
2485 |
= |
12 |
* |
(27 |
/ |
98) |
= |
3.30612245 |
5 |
85865 |
2513 |
- |
2528 |
= |
-15 |
* |
(28 |
/ |
98) |
= |
-4.28571428 |
6 |
85868 |
2536 |
- |
2552 |
= |
-16 |
* |
(17 |
/ |
98) |
= |
-2.77551019 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bonny Doon Union Elementary
|
-7 |
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 |
86459 |
2424 |
- |
2436 |
= |
-12 |
* |
(15 |
/ |
89) |
= |
-2.0224719 |
4 |
86460 |
2473 |
- |
2485 |
= |
-12 |
* |
(25 |
/ |
89) |
= |
-3.37078651 |
5 |
86461 |
2540 |
- |
2528 |
= |
12 |
* |
(27 |
/ |
89) |
= |
3.64044943 |
6 |
86462 |
2548 |
- |
2552 |
= |
-4 |
* |
(22 |
/ |
89) |
= |
-0.98876404 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bonny Doon Union Elementary
|
-3 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-23
|
23
|
-5
|
-7
|
-3
|
-15.0 |
-3.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 45.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.0
For the lines, you have the data necessary to plot the chart.