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 |
883758 |
2431 |
- |
2436 |
= |
-5 |
* |
(68 |
/ |
191)
|
= |
-1.78010471 |
| 4 |
883759 |
2483 |
- |
2485 |
= |
-2 |
* |
(63 |
/ |
191)
|
= |
-0.65968586 |
| 5 |
883762 |
2450 |
- |
2528 |
= |
-78 |
* |
(60 |
/ |
191)
|
= |
-24.50261775 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Capistrano Avenue Elementary
|
-27 |
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 |
27956 |
2451 |
- |
2436 |
= |
15 |
* |
(64 |
/ |
198)
|
= |
4.84848485 |
| 4 |
27958 |
2483 |
- |
2485 |
= |
-2 |
* |
(64 |
/ |
198)
|
= |
-0.64646465 |
| 5 |
27961 |
2511 |
- |
2528 |
= |
-17 |
* |
(70 |
/ |
198)
|
= |
-6.010101 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Capistrano Avenue Elementary
|
-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 |
28524 |
2432 |
- |
2436 |
= |
-4 |
* |
(67 |
/ |
190)
|
= |
-1.41052631 |
| 4 |
28526 |
2502 |
- |
2485 |
= |
17 |
* |
(60 |
/ |
190)
|
= |
5.36842104 |
| 5 |
28528 |
2520 |
- |
2528 |
= |
-8 |
* |
(63 |
/ |
190)
|
= |
-2.65263158 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Capistrano Avenue Elementary
|
1 |
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 |
28574 |
2395 |
- |
2436 |
= |
-41 |
* |
(47 |
/ |
160)
|
= |
-12.04375 |
| 4 |
28577 |
2489 |
- |
2485 |
= |
4 |
* |
(59 |
/ |
160)
|
= |
1.475 |
| 5 |
28579 |
2507 |
- |
2528 |
= |
-21 |
* |
(54 |
/ |
160)
|
= |
-7.0875 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Capistrano Avenue Elementary
|
-18 |
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 |
28754 |
2431 |
- |
2436 |
= |
-5 |
* |
(67 |
/ |
182)
|
= |
-1.84065934 |
| 4 |
28755 |
2508 |
- |
2485 |
= |
23 |
* |
(53 |
/ |
182)
|
= |
6.69780219 |
| 5 |
28756 |
2519 |
- |
2528 |
= |
-9 |
* |
(62 |
/ |
182)
|
= |
-3.06593406 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Capistrano Avenue Elementary
|
2 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-27
|
-2
|
1
|
-18
|
2
|
-44.0 |
-8.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.8
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:
