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 |
940629 |
2385 |
- |
2436 |
= |
-51 |
* |
(78 |
/ |
205)
|
= |
-19.404878 |
| 4 |
940632 |
2429 |
- |
2485 |
= |
-56 |
* |
(54 |
/ |
205)
|
= |
-14.7512195 |
| 5 |
940633 |
2442 |
- |
2528 |
= |
-86 |
* |
(73 |
/ |
205)
|
= |
-30.62439016 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Sixteenth Street Elementary
|
-65 |
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 |
29757 |
2417 |
- |
2436 |
= |
-19 |
* |
(66 |
/ |
190)
|
= |
-6.6 |
| 4 |
29758 |
2437 |
- |
2485 |
= |
-48 |
* |
(68 |
/ |
190)
|
= |
-17.17894733 |
| 5 |
29761 |
2434 |
- |
2528 |
= |
-94 |
* |
(56 |
/ |
190)
|
= |
-27.70526315 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Sixteenth Street Elementary
|
-51 |
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 |
30321 |
2423 |
- |
2436 |
= |
-13 |
* |
(82 |
/ |
214)
|
= |
-4.98130841 |
| 4 |
30323 |
2452 |
- |
2485 |
= |
-33 |
* |
(66 |
/ |
214)
|
= |
-10.17757006 |
| 5 |
30325 |
2475 |
- |
2528 |
= |
-53 |
* |
(66 |
/ |
214)
|
= |
-16.34579434 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Sixteenth Street Elementary
|
-32 |
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 |
30373 |
2411 |
- |
2436 |
= |
-25 |
* |
(87 |
/ |
238)
|
= |
-9.13865545 |
| 4 |
30374 |
2464 |
- |
2485 |
= |
-21 |
* |
(85 |
/ |
238)
|
= |
-7.5 |
| 5 |
30377 |
2436 |
- |
2528 |
= |
-92 |
* |
(66 |
/ |
238)
|
= |
-25.51260501 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Sixteenth Street Elementary
|
-42 |
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 |
30546 |
2416 |
- |
2436 |
= |
-20 |
* |
(69 |
/ |
226)
|
= |
-6.10619468 |
| 4 |
30547 |
2450 |
- |
2485 |
= |
-35 |
* |
(76 |
/ |
226)
|
= |
-11.76991148 |
| 5 |
30548 |
2486 |
- |
2528 |
= |
-42 |
* |
(81 |
/ |
226)
|
= |
-15.05309732 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Sixteenth Street Elementary
|
-33 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-65
|
-51
|
-32
|
-42
|
-33
|
-223.0 |
-44.6 |
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: -83.6
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:
