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 |
320005 |
2368 |
- |
2436 |
= |
-68 |
* |
(99 |
/ |
430)
|
= |
-15.65581394 |
| 4 |
320008 |
2402 |
- |
2485 |
= |
-83 |
* |
(131 |
/ |
430)
|
= |
-25.28604645 |
| 5 |
320009 |
2411 |
- |
2528 |
= |
-117 |
* |
(107 |
/ |
430)
|
= |
-29.11395345 |
| 6 |
320012 |
2444 |
- |
2552 |
= |
-108 |
* |
(93 |
/ |
430)
|
= |
-23.35813945 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Addams Elementary
|
-93 |
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 |
9550 |
2356 |
- |
2436 |
= |
-80 |
* |
(104 |
/ |
434)
|
= |
-19.17050688 |
| 4 |
9551 |
2403 |
- |
2485 |
= |
-82 |
* |
(100 |
/ |
434)
|
= |
-18.89400917 |
| 5 |
9553 |
2420 |
- |
2528 |
= |
-108 |
* |
(122 |
/ |
434)
|
= |
-30.35944692 |
| 6 |
9556 |
2439 |
- |
2552 |
= |
-113 |
* |
(108 |
/ |
434)
|
= |
-28.11981564 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Addams Elementary
|
-97 |
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 |
9878 |
2372 |
- |
2436 |
= |
-64 |
* |
(101 |
/ |
412)
|
= |
-15.68932038 |
| 4 |
9880 |
2396 |
- |
2485 |
= |
-89 |
* |
(111 |
/ |
412)
|
= |
-23.97815528 |
| 5 |
9882 |
2424 |
- |
2528 |
= |
-104 |
* |
(92 |
/ |
412)
|
= |
-23.22330088 |
| 6 |
9883 |
2440 |
- |
2552 |
= |
-112 |
* |
(108 |
/ |
412)
|
= |
-29.35922326 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Addams Elementary
|
-92 |
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 |
9896 |
2385 |
- |
2436 |
= |
-51 |
* |
(118 |
/ |
425)
|
= |
-14.15999996 |
| 4 |
9898 |
2413 |
- |
2485 |
= |
-72 |
* |
(107 |
/ |
425)
|
= |
-18.12705876 |
| 5 |
9899 |
2419 |
- |
2528 |
= |
-109 |
* |
(108 |
/ |
425)
|
= |
-27.69882352 |
| 6 |
9902 |
2462 |
- |
2552 |
= |
-90 |
* |
(92 |
/ |
425)
|
= |
-19.48235292 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Addams Elementary
|
-79 |
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 |
9976 |
2371 |
- |
2436 |
= |
-65 |
* |
(124 |
/ |
455)
|
= |
-17.71428568 |
| 4 |
9977 |
2408 |
- |
2485 |
= |
-77 |
* |
(115 |
/ |
455)
|
= |
-19.4615384 |
| 5 |
9978 |
2453 |
- |
2528 |
= |
-75 |
* |
(104 |
/ |
455)
|
= |
-17.1428571 |
| 6 |
9979 |
2432 |
- |
2552 |
= |
-120 |
* |
(112 |
/ |
455)
|
= |
-29.53846152 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Addams Elementary
|
-84 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-93
|
-97
|
-92
|
-79
|
-84
|
-445.0 |
-89.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -68.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -110.0
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:
