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 |
826243 |
2393 |
- |
2436 |
= |
-43 |
* |
(68 |
/ |
204)
|
= |
-14.33333332 |
| 4 |
826244 |
2453 |
- |
2485 |
= |
-32 |
* |
(75 |
/ |
204)
|
= |
-11.76470586 |
| 5 |
826247 |
2473 |
- |
2528 |
= |
-55 |
* |
(61 |
/ |
204)
|
= |
-16.44607839 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Vista del Valle Dual Language Academy
|
-43 |
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 |
25877 |
2403 |
- |
2436 |
= |
-33 |
* |
(76 |
/ |
211)
|
= |
-11.88625591 |
| 4 |
25878 |
2465 |
- |
2485 |
= |
-20 |
* |
(63 |
/ |
211)
|
= |
-5.97156398 |
| 5 |
25881 |
2463 |
- |
2528 |
= |
-65 |
* |
(72 |
/ |
211)
|
= |
-22.18009476 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Vista del Valle Dual Language Academy
|
-40 |
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 |
26358 |
2403 |
- |
2436 |
= |
-33 |
* |
(85 |
/ |
229)
|
= |
-12.24890829 |
| 4 |
26359 |
2473 |
- |
2485 |
= |
-12 |
* |
(76 |
/ |
229)
|
= |
-3.98253275 |
| 5 |
26361 |
2466 |
- |
2528 |
= |
-62 |
* |
(68 |
/ |
229)
|
= |
-18.41048032 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Vista del Valle Dual Language Academy
|
-35 |
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 |
26331 |
2401 |
- |
2436 |
= |
-35 |
* |
(68 |
/ |
215)
|
= |
-11.06976742 |
| 4 |
26333 |
2462 |
- |
2485 |
= |
-23 |
* |
(78 |
/ |
215)
|
= |
-8.34418603 |
| 5 |
26335 |
2484 |
- |
2528 |
= |
-44 |
* |
(69 |
/ |
215)
|
= |
-14.12093021 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Vista del Valle Dual Language Academy
|
-34 |
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 |
26466 |
2408 |
- |
2436 |
= |
-28 |
* |
(64 |
/ |
203)
|
= |
-8.82758618 |
| 4 |
26467 |
2478 |
- |
2485 |
= |
-7 |
* |
(66 |
/ |
203)
|
= |
-2.27586206 |
| 5 |
26468 |
2493 |
- |
2528 |
= |
-35 |
* |
(73 |
/ |
203)
|
= |
-12.58620689 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Vista del Valle Dual Language Academy
|
-24 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-43
|
-40
|
-35
|
-34
|
-24
|
-176.0 |
-35.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -56.2
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:
