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 |
885445 |
2431 |
- |
2436 |
= |
-5 |
* |
(114 |
/ |
308)
|
= |
-1.85064935 |
| 4 |
885446 |
2476 |
- |
2485 |
= |
-9 |
* |
(94 |
/ |
308)
|
= |
-2.74675325 |
| 5 |
885449 |
2486 |
- |
2528 |
= |
-42 |
* |
(100 |
/ |
308)
|
= |
-13.63636361 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Castelar Street Elementary
|
-18 |
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 |
28002 |
2433 |
- |
2436 |
= |
-3 |
* |
(97 |
/ |
289)
|
= |
-1.00692041 |
| 4 |
28004 |
2487 |
- |
2485 |
= |
2 |
* |
(104 |
/ |
289)
|
= |
0.71972318 |
| 5 |
28006 |
2519 |
- |
2528 |
= |
-9 |
* |
(88 |
/ |
289)
|
= |
-2.74048442 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Castelar Street Elementary
|
-3 |
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 |
28569 |
2446 |
- |
2436 |
= |
10 |
* |
(116 |
/ |
308)
|
= |
3.76623376 |
| 4 |
28571 |
2482 |
- |
2485 |
= |
-3 |
* |
(99 |
/ |
308)
|
= |
-0.96428571 |
| 5 |
28574 |
2506 |
- |
2528 |
= |
-22 |
* |
(93 |
/ |
308)
|
= |
-6.64285712 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Castelar Street Elementary
|
-4 |
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 |
28621 |
2420 |
- |
2436 |
= |
-16 |
* |
(112 |
/ |
329)
|
= |
-5.4468085 |
| 4 |
28623 |
2476 |
- |
2485 |
= |
-9 |
* |
(113 |
/ |
329)
|
= |
-3.09118541 |
| 5 |
28625 |
2508 |
- |
2528 |
= |
-20 |
* |
(104 |
/ |
329)
|
= |
-6.32218844 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Castelar Street Elementary
|
-15 |
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 |
28800 |
2434 |
- |
2436 |
= |
-2 |
* |
(84 |
/ |
290)
|
= |
-0.57931034 |
| 4 |
28801 |
2476 |
- |
2485 |
= |
-9 |
* |
(103 |
/ |
290)
|
= |
-3.19655172 |
| 5 |
28802 |
2529 |
- |
2528 |
= |
1 |
* |
(103 |
/ |
290)
|
= |
0.35517241 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Castelar Street Elementary
|
-3 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-18
|
-3
|
-4
|
-15
|
-3
|
-43.0 |
-8.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 12.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -29.6
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:
