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 |
824039 |
2362 |
- |
2436 |
= |
-74 |
* |
(77 |
/ |
225)
|
= |
-25.32444443 |
| 4 |
824040 |
2393 |
- |
2485 |
= |
-92 |
* |
(81 |
/ |
225)
|
= |
-33.12 |
| 5 |
824043 |
2413 |
- |
2528 |
= |
-115 |
* |
(67 |
/ |
225)
|
= |
-34.24444436 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Estrella Elementary
|
-93 |
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 |
25796 |
2403 |
- |
2436 |
= |
-33 |
* |
(96 |
/ |
245)
|
= |
-12.93061222 |
| 4 |
25799 |
2430 |
- |
2485 |
= |
-55 |
* |
(78 |
/ |
245)
|
= |
-17.51020403 |
| 5 |
25801 |
2468 |
- |
2528 |
= |
-60 |
* |
(71 |
/ |
245)
|
= |
-17.38775508 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Estrella Elementary
|
-48 |
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 |
26278 |
2395 |
- |
2436 |
= |
-41 |
* |
(97 |
/ |
274)
|
= |
-14.51459852 |
| 4 |
26280 |
2421 |
- |
2485 |
= |
-64 |
* |
(95 |
/ |
274)
|
= |
-22.18978099 |
| 5 |
26282 |
2454 |
- |
2528 |
= |
-74 |
* |
(82 |
/ |
274)
|
= |
-22.14598533 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Estrella Elementary
|
-59 |
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 |
26251 |
2397 |
- |
2436 |
= |
-39 |
* |
(96 |
/ |
276)
|
= |
-13.56521735 |
| 4 |
26253 |
2435 |
- |
2485 |
= |
-50 |
* |
(85 |
/ |
276)
|
= |
-15.3985507 |
| 5 |
26255 |
2472 |
- |
2528 |
= |
-56 |
* |
(95 |
/ |
276)
|
= |
-19.27536229 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Estrella Elementary
|
-48 |
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 |
26386 |
2422 |
- |
2436 |
= |
-14 |
* |
(87 |
/ |
272)
|
= |
-4.47794117 |
| 4 |
26387 |
2441 |
- |
2485 |
= |
-44 |
* |
(98 |
/ |
272)
|
= |
-15.85294115 |
| 5 |
26388 |
2470 |
- |
2528 |
= |
-58 |
* |
(87 |
/ |
272)
|
= |
-18.55147058 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Estrella Elementary
|
-39 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-93
|
-48
|
-59
|
-48
|
-39
|
-287.0 |
-57.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -120.4
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:
