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 |
2365361 |
2381 |
- |
2436 |
= |
-55 |
* |
(84 |
/ |
230)
|
= |
-20.08695651 |
| 4 |
2365362 |
2419 |
- |
2485 |
= |
-66 |
* |
(79 |
/ |
230)
|
= |
-22.66956516 |
| 5 |
2365365 |
2469 |
- |
2528 |
= |
-59 |
* |
(67 |
/ |
230)
|
= |
-17.18695647 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Guadalupe Elementary
|
-60 |
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 |
72264 |
2381 |
- |
2436 |
= |
-55 |
* |
(78 |
/ |
219)
|
= |
-19.58904107 |
| 4 |
72265 |
2398 |
- |
2485 |
= |
-87 |
* |
(73 |
/ |
219)
|
= |
-28.99999997 |
| 5 |
72267 |
2434 |
- |
2528 |
= |
-94 |
* |
(68 |
/ |
219)
|
= |
-29.1872146 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Guadalupe 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 |
74238 |
2398 |
- |
2436 |
= |
-38 |
* |
(69 |
/ |
203)
|
= |
-12.91625613 |
| 4 |
74239 |
2416 |
- |
2485 |
= |
-69 |
* |
(66 |
/ |
203)
|
= |
-22.43349749 |
| 5 |
74242 |
2412 |
- |
2528 |
= |
-116 |
* |
(68 |
/ |
203)
|
= |
-38.8571428 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Guadalupe Elementary
|
-74 |
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 |
74412 |
2391 |
- |
2436 |
= |
-45 |
* |
(62 |
/ |
188)
|
= |
-14.84042553 |
| 4 |
74413 |
2435 |
- |
2485 |
= |
-50 |
* |
(63 |
/ |
188)
|
= |
-16.7553191 |
| 5 |
74416 |
2442 |
- |
2528 |
= |
-86 |
* |
(63 |
/ |
188)
|
= |
-28.81914885 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Guadalupe Elementary
|
-60 |
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 |
74935 |
2404 |
- |
2436 |
= |
-32 |
* |
(60 |
/ |
174)
|
= |
-11.03448275 |
| 4 |
74936 |
2449 |
- |
2485 |
= |
-36 |
* |
(59 |
/ |
174)
|
= |
-12.20689652 |
| 5 |
74937 |
2463 |
- |
2528 |
= |
-65 |
* |
(55 |
/ |
174)
|
= |
-20.54597701 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Guadalupe Elementary
|
-44 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-60
|
-78
|
-74
|
-60
|
-44
|
-316.0 |
-63.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -102.2
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:
