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 |
938844 |
2408 |
- |
2436 |
= |
-28 |
* |
(141 |
/ |
391)
|
= |
-10.09718668 |
| 4 |
938845 |
2464 |
- |
2485 |
= |
-21 |
* |
(120 |
/ |
391)
|
= |
-6.44501277 |
| 5 |
938848 |
2460 |
- |
2528 |
= |
-68 |
* |
(130 |
/ |
391)
|
= |
-22.60869562 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Eighty-Sixth Street Elementary
|
-39 |
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 |
29699 |
2429 |
- |
2436 |
= |
-7 |
* |
(125 |
/ |
386)
|
= |
-2.26683937 |
| 4 |
29701 |
2455 |
- |
2485 |
= |
-30 |
* |
(147 |
/ |
386)
|
= |
-11.42487045 |
| 5 |
29702 |
2481 |
- |
2528 |
= |
-47 |
* |
(114 |
/ |
386)
|
= |
-13.88082899 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Eighty-Sixth Street Elementary
|
-28 |
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 |
30264 |
2437 |
- |
2436 |
= |
1 |
* |
(114 |
/ |
368)
|
= |
0.30978261 |
| 4 |
30266 |
2474 |
- |
2485 |
= |
-11 |
* |
(117 |
/ |
368)
|
= |
-3.4972826 |
| 5 |
30268 |
2466 |
- |
2528 |
= |
-62 |
* |
(137 |
/ |
368)
|
= |
-23.0815217 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Eighty-Sixth Street Elementary
|
-26 |
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 |
30313 |
2438 |
- |
2436 |
= |
2 |
* |
(129 |
/ |
361)
|
= |
0.71468144 |
| 4 |
30315 |
2495 |
- |
2485 |
= |
10 |
* |
(115 |
/ |
361)
|
= |
3.18559556 |
| 5 |
30317 |
2485 |
- |
2528 |
= |
-43 |
* |
(117 |
/ |
361)
|
= |
-13.93628805 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Eighty-Sixth Street Elementary
|
-10 |
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 |
30486 |
2447 |
- |
2436 |
= |
11 |
* |
(103 |
/ |
344)
|
= |
3.29360464 |
| 4 |
30487 |
2478 |
- |
2485 |
= |
-7 |
* |
(125 |
/ |
344)
|
= |
-2.54360465 |
| 5 |
30488 |
2479 |
- |
2528 |
= |
-49 |
* |
(116 |
/ |
344)
|
= |
-16.5232558 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Eighty-Sixth Street Elementary
|
-16 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-39
|
-28
|
-26
|
-10
|
-16
|
-119.0 |
-23.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -56.8
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:
