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 |
940415 |
2341 |
- |
2436 |
= |
-95 |
* |
(150 |
/ |
441)
|
= |
-32.31292513 |
| 4 |
940418 |
2375 |
- |
2485 |
= |
-110 |
* |
(151 |
/ |
441)
|
= |
-37.66439908 |
| 5 |
940419 |
2402 |
- |
2528 |
= |
-126 |
* |
(140 |
/ |
441)
|
= |
-39.99999994 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Seventh Street Elementary
|
-110 |
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 |
29749 |
2350 |
- |
2436 |
= |
-86 |
* |
(135 |
/ |
418)
|
= |
-27.7751196 |
| 4 |
29751 |
2388 |
- |
2485 |
= |
-97 |
* |
(143 |
/ |
418)
|
= |
-33.18421051 |
| 5 |
29753 |
2410 |
- |
2528 |
= |
-118 |
* |
(140 |
/ |
418)
|
= |
-39.52153102 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Seventh Street Elementary
|
-100 |
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 |
30313 |
2386 |
- |
2436 |
= |
-50 |
* |
(145 |
/ |
413)
|
= |
-17.5544794 |
| 4 |
30316 |
2389 |
- |
2485 |
= |
-96 |
* |
(128 |
/ |
413)
|
= |
-29.75302656 |
| 5 |
30317 |
2408 |
- |
2528 |
= |
-120 |
* |
(140 |
/ |
413)
|
= |
-40.677966 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Seventh Street Elementary
|
-88 |
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 |
30364 |
2390 |
- |
2436 |
= |
-46 |
* |
(125 |
/ |
394)
|
= |
-14.59390862 |
| 4 |
30366 |
2418 |
- |
2485 |
= |
-67 |
* |
(132 |
/ |
394)
|
= |
-22.44670046 |
| 5 |
30368 |
2432 |
- |
2528 |
= |
-96 |
* |
(137 |
/ |
394)
|
= |
-33.38071066 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Seventh Street Elementary
|
-70 |
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 |
30538 |
2388 |
- |
2436 |
= |
-48 |
* |
(125 |
/ |
391)
|
= |
-15.34526851 |
| 4 |
30539 |
2438 |
- |
2485 |
= |
-47 |
* |
(128 |
/ |
391)
|
= |
-15.38618922 |
| 5 |
30540 |
2450 |
- |
2528 |
= |
-78 |
* |
(138 |
/ |
391)
|
= |
-27.52941173 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Seventh Street Elementary
|
-58 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-110
|
-100
|
-88
|
-70
|
-58
|
-426.0 |
-85.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -148.2
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:
