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 |
1436911 |
2473 |
- |
2436 |
= |
37 |
* |
(110 |
/ |
333)
|
= |
12.22222221 |
| 4 |
1436914 |
2498 |
- |
2485 |
= |
13 |
* |
(111 |
/ |
333)
|
= |
4.33333333 |
| 5 |
1436915 |
2497 |
- |
2528 |
= |
-31 |
* |
(112 |
/ |
333)
|
= |
-10.42642642 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Castille Elementary
|
6 |
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 |
45241 |
2473 |
- |
2436 |
= |
37 |
* |
(89 |
/ |
302)
|
= |
10.90397348 |
| 4 |
45243 |
2517 |
- |
2485 |
= |
32 |
* |
(106 |
/ |
302)
|
= |
11.23178806 |
| 5 |
45245 |
2526 |
- |
2528 |
= |
-2 |
* |
(107 |
/ |
302)
|
= |
-0.70860927 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Castille Elementary
|
21 |
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 |
46451 |
2493 |
- |
2436 |
= |
57 |
* |
(103 |
/ |
310)
|
= |
18.93870965 |
| 4 |
46453 |
2501 |
- |
2485 |
= |
16 |
* |
(94 |
/ |
310)
|
= |
4.8516129 |
| 5 |
46455 |
2516 |
- |
2528 |
= |
-12 |
* |
(113 |
/ |
310)
|
= |
-4.37419355 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Castille Elementary
|
19 |
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 |
46460 |
2500 |
- |
2436 |
= |
64 |
* |
(73 |
/ |
280)
|
= |
16.68571424 |
| 4 |
46462 |
2527 |
- |
2485 |
= |
42 |
* |
(112 |
/ |
280)
|
= |
16.8 |
| 5 |
46464 |
2535 |
- |
2528 |
= |
7 |
* |
(95 |
/ |
280)
|
= |
2.375 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Castille Elementary
|
36 |
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 |
46643 |
2481 |
- |
2436 |
= |
45 |
* |
(92 |
/ |
263)
|
= |
15.74144483 |
| 4 |
46644 |
2552 |
- |
2485 |
= |
67 |
* |
(65 |
/ |
263)
|
= |
16.5589353 |
| 5 |
46645 |
2548 |
- |
2528 |
= |
20 |
* |
(106 |
/ |
263)
|
= |
8.0608365 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Castille Elementary
|
40 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
6
|
21
|
19
|
36
|
40
|
122.0 |
24.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 63.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
