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 |
868580 |
2404 |
- |
2436 |
= |
-32 |
* |
(85 |
/ |
303)
|
= |
-8.97689766 |
| 4 |
868581 |
2427 |
- |
2485 |
= |
-58 |
* |
(81 |
/ |
303)
|
= |
-15.50495046 |
| 5 |
868584 |
2443 |
- |
2528 |
= |
-85 |
* |
(81 |
/ |
303)
|
= |
-22.72277222 |
| 6 |
868585 |
2490 |
- |
2552 |
= |
-62 |
* |
(56 |
/ |
303)
|
= |
-11.45874582 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Aldama Elementary
|
-59 |
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 |
27473 |
2403 |
- |
2436 |
= |
-33 |
* |
(80 |
/ |
257)
|
= |
-10.27237352 |
| 4 |
27474 |
2443 |
- |
2485 |
= |
-42 |
* |
(80 |
/ |
257)
|
= |
-13.07392993 |
| 5 |
27477 |
2450 |
- |
2528 |
= |
-78 |
* |
(80 |
/ |
257)
|
= |
-24.28015559 |
| 6 |
27478 |
2381 |
- |
2552 |
= |
-171 |
* |
(17 |
/ |
257)
|
= |
-11.31128389 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Aldama Elementary
|
-59 |
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 |
28048 |
2398 |
- |
2436 |
= |
-38 |
* |
(78 |
/ |
239)
|
= |
-12.40167362 |
| 4 |
28049 |
2438 |
- |
2485 |
= |
-47 |
* |
(81 |
/ |
239)
|
= |
-15.92887025 |
| 5 |
28052 |
2462 |
- |
2528 |
= |
-66 |
* |
(80 |
/ |
239)
|
= |
-22.09205018 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Aldama Elementary
|
-50 |
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 |
28098 |
2403 |
- |
2436 |
= |
-33 |
* |
(90 |
/ |
236)
|
= |
-12.58474576 |
| 4 |
28100 |
2418 |
- |
2485 |
= |
-67 |
* |
(74 |
/ |
236)
|
= |
-21.00847457 |
| 5 |
28102 |
2466 |
- |
2528 |
= |
-62 |
* |
(72 |
/ |
236)
|
= |
-18.91525419 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Aldama Elementary
|
-53 |
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 |
28278 |
2417 |
- |
2436 |
= |
-19 |
* |
(78 |
/ |
232)
|
= |
-6.38793102 |
| 4 |
28279 |
2450 |
- |
2485 |
= |
-35 |
* |
(89 |
/ |
232)
|
= |
-13.42672412 |
| 5 |
28280 |
2455 |
- |
2528 |
= |
-73 |
* |
(65 |
/ |
232)
|
= |
-20.45258615 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Aldama Elementary
|
-40 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-59
|
-59
|
-50
|
-53
|
-40
|
-261.0 |
-52.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.2
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:
