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 |
2367224 |
2451 |
- |
2436 |
= |
15 |
* |
(64 |
/ |
201)
|
= |
4.7761194 |
| 4 |
2367225 |
2482 |
- |
2485 |
= |
-3 |
* |
(78 |
/ |
201)
|
= |
-1.1641791 |
| 5 |
2367228 |
2525 |
- |
2528 |
= |
-3 |
* |
(59 |
/ |
201)
|
= |
-0.88059701 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ortega (Jose) Elementary
|
3 |
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 |
72320 |
2457 |
- |
2436 |
= |
21 |
* |
(61 |
/ |
211)
|
= |
6.07109005 |
| 4 |
72321 |
2516 |
- |
2485 |
= |
31 |
* |
(72 |
/ |
211)
|
= |
10.57819904 |
| 5 |
72324 |
2517 |
- |
2528 |
= |
-11 |
* |
(78 |
/ |
211)
|
= |
-4.06635071 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ortega (Jose) Elementary
|
13 |
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 |
74294 |
2482 |
- |
2436 |
= |
46 |
* |
(63 |
/ |
217)
|
= |
13.35483868 |
| 4 |
74296 |
2519 |
- |
2485 |
= |
34 |
* |
(77 |
/ |
217)
|
= |
12.06451611 |
| 5 |
74298 |
2543 |
- |
2528 |
= |
15 |
* |
(77 |
/ |
217)
|
= |
5.32258064 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ortega (Jose) Elementary
|
31 |
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 |
74467 |
2469 |
- |
2436 |
= |
33 |
* |
(59 |
/ |
203)
|
= |
9.591133 |
| 4 |
74470 |
2546 |
- |
2485 |
= |
61 |
* |
(66 |
/ |
203)
|
= |
19.83251227 |
| 5 |
74471 |
2554 |
- |
2528 |
= |
26 |
* |
(78 |
/ |
203)
|
= |
9.99014778 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ortega (Jose) Elementary
|
39 |
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 |
74991 |
2491 |
- |
2436 |
= |
55 |
* |
(65 |
/ |
197)
|
= |
18.14720809 |
| 4 |
74992 |
2510 |
- |
2485 |
= |
25 |
* |
(61 |
/ |
197)
|
= |
7.74111675 |
| 5 |
74993 |
2559 |
- |
2528 |
= |
31 |
* |
(71 |
/ |
197)
|
= |
11.17258882 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ortega (Jose) Elementary
|
37 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
3
|
13
|
31
|
39
|
37
|
123.0 |
24.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 69.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -20.4
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:
