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 |
896169 |
2416 |
- |
2436 |
= |
-20 |
* |
(109 |
/ |
294)
|
= |
-7.41496598 |
| 4 |
896172 |
2442 |
- |
2485 |
= |
-43 |
* |
(94 |
/ |
294)
|
= |
-13.74829931 |
| 5 |
896173 |
2440 |
- |
2528 |
= |
-88 |
* |
(91 |
/ |
294)
|
= |
-27.23809519 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dominguez Elementary
|
-48 |
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 |
28320 |
2421 |
- |
2436 |
= |
-15 |
* |
(89 |
/ |
281)
|
= |
-4.75088967 |
| 4 |
28323 |
2457 |
- |
2485 |
= |
-28 |
* |
(105 |
/ |
281)
|
= |
-10.46263344 |
| 5 |
28324 |
2461 |
- |
2528 |
= |
-67 |
* |
(87 |
/ |
281)
|
= |
-20.74377218 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dominguez Elementary
|
-36 |
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 |
28887 |
2412 |
- |
2436 |
= |
-24 |
* |
(89 |
/ |
281)
|
= |
-7.60142347 |
| 4 |
28889 |
2460 |
- |
2485 |
= |
-25 |
* |
(90 |
/ |
281)
|
= |
-8.00711743 |
| 5 |
28891 |
2467 |
- |
2528 |
= |
-61 |
* |
(102 |
/ |
281)
|
= |
-22.1423487 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dominguez Elementary
|
-38 |
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 |
28936 |
2437 |
- |
2436 |
= |
1 |
* |
(64 |
/ |
237)
|
= |
0.27004219 |
| 4 |
28938 |
2444 |
- |
2485 |
= |
-41 |
* |
(87 |
/ |
237)
|
= |
-15.05063289 |
| 5 |
28940 |
2459 |
- |
2528 |
= |
-69 |
* |
(86 |
/ |
237)
|
= |
-25.03797466 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dominguez Elementary
|
-40 |
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 |
29116 |
2450 |
- |
2436 |
= |
14 |
* |
(87 |
/ |
237)
|
= |
5.1392405 |
| 4 |
29117 |
2471 |
- |
2485 |
= |
-14 |
* |
(58 |
/ |
237)
|
= |
-3.42616033 |
| 5 |
29118 |
2493 |
- |
2528 |
= |
-35 |
* |
(92 |
/ |
237)
|
= |
-13.58649789 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dominguez Elementary
|
-12 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-48
|
-36
|
-38
|
-40
|
-12
|
-174.0 |
-34.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.8
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:
