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 |
935562 |
2347 |
- |
2436 |
= |
-89 |
* |
(168 |
/ |
481)
|
= |
-31.08523906 |
| 4 |
935565 |
2420 |
- |
2485 |
= |
-65 |
* |
(160 |
/ |
481)
|
= |
-21.62162158 |
| 5 |
935566 |
2423 |
- |
2528 |
= |
-105 |
* |
(153 |
/ |
481)
|
= |
-33.39916839 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ninety-Fifth Street Elementary
|
-86 |
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 |
29587 |
2360 |
- |
2436 |
= |
-76 |
* |
(147 |
/ |
458)
|
= |
-24.39301305 |
| 4 |
29588 |
2403 |
- |
2485 |
= |
-82 |
* |
(158 |
/ |
458)
|
= |
-28.28820953 |
| 5 |
29590 |
2438 |
- |
2528 |
= |
-90 |
* |
(153 |
/ |
458)
|
= |
-30.06550215 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ninety-Fifth Street Elementary
|
-83 |
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 |
30151 |
2382 |
- |
2436 |
= |
-54 |
* |
(155 |
/ |
442)
|
= |
-18.93665158 |
| 4 |
30153 |
2401 |
- |
2485 |
= |
-84 |
* |
(135 |
/ |
442)
|
= |
-25.65610858 |
| 5 |
30156 |
2458 |
- |
2528 |
= |
-70 |
* |
(152 |
/ |
442)
|
= |
-24.07239814 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ninety-Fifth Street Elementary
|
-69 |
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 |
30200 |
2368 |
- |
2436 |
= |
-68 |
* |
(126 |
/ |
406)
|
= |
-21.10344824 |
| 4 |
30203 |
2420 |
- |
2485 |
= |
-65 |
* |
(156 |
/ |
406)
|
= |
-24.97536945 |
| 5 |
30204 |
2454 |
- |
2528 |
= |
-74 |
* |
(124 |
/ |
406)
|
= |
-22.60098521 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ninety-Fifth Street Elementary
|
-69 |
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 |
30374 |
2387 |
- |
2436 |
= |
-49 |
* |
(165 |
/ |
444)
|
= |
-18.20945943 |
| 4 |
30375 |
2409 |
- |
2485 |
= |
-76 |
* |
(136 |
/ |
444)
|
= |
-23.27927926 |
| 5 |
30376 |
2464 |
- |
2528 |
= |
-64 |
* |
(143 |
/ |
444)
|
= |
-20.61261261 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ninety-Fifth Street Elementary
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-86
|
-83
|
-69
|
-69
|
-62
|
-369.0 |
-73.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.8
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:
