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 |
891275 |
2362 |
- |
2436 |
= |
-74 |
* |
(62 |
/ |
195)
|
= |
-23.52820506 |
| 4 |
891276 |
2383 |
- |
2485 |
= |
-102 |
* |
(74 |
/ |
195)
|
= |
-38.70769226 |
| 5 |
891279 |
2429 |
- |
2528 |
= |
-99 |
* |
(59 |
/ |
195)
|
= |
-29.9538461 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Compton Avenue Elementary
|
-92 |
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 |
28176 |
2382 |
- |
2436 |
= |
-54 |
* |
(61 |
/ |
182)
|
= |
-18.09890109 |
| 4 |
28178 |
2419 |
- |
2485 |
= |
-66 |
* |
(56 |
/ |
182)
|
= |
-20.30769226 |
| 5 |
28180 |
2418 |
- |
2528 |
= |
-110 |
* |
(65 |
/ |
182)
|
= |
-39.28571427 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Compton Avenue Elementary
|
-78 |
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 |
28743 |
2368 |
- |
2436 |
= |
-68 |
* |
(49 |
/ |
161)
|
= |
-20.69565217 |
| 4 |
28746 |
2400 |
- |
2485 |
= |
-85 |
* |
(60 |
/ |
161)
|
= |
-31.6770186 |
| 5 |
28748 |
2430 |
- |
2528 |
= |
-98 |
* |
(52 |
/ |
161)
|
= |
-31.65217387 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Compton Avenue Elementary
|
-84 |
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 |
28792 |
2388 |
- |
2436 |
= |
-48 |
* |
(56 |
/ |
159)
|
= |
-16.90566034 |
| 4 |
28794 |
2412 |
- |
2485 |
= |
-73 |
* |
(49 |
/ |
159)
|
= |
-22.4968553 |
| 5 |
28796 |
2430 |
- |
2528 |
= |
-98 |
* |
(54 |
/ |
159)
|
= |
-33.28301882 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Compton Avenue Elementary
|
-73 |
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 |
28972 |
2402 |
- |
2436 |
= |
-34 |
* |
(52 |
/ |
162)
|
= |
-10.91358024 |
| 4 |
28973 |
2404 |
- |
2485 |
= |
-81 |
* |
(56 |
/ |
162)
|
= |
-27.99999997 |
| 5 |
28974 |
2427 |
- |
2528 |
= |
-101 |
* |
(54 |
/ |
162)
|
= |
-33.66666663 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Compton Avenue Elementary
|
-73 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-92
|
-78
|
-84
|
-73
|
-73
|
-400.0 |
-80.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.0
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:
