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 |
89148 |
2446 |
- |
2436 |
= |
10 |
* |
(72 |
/ |
225)
|
= |
3.2 |
| 4 |
89150 |
2452 |
- |
2485 |
= |
-33 |
* |
(73 |
/ |
225)
|
= |
-10.70666665 |
| 5 |
89152 |
2507 |
- |
2528 |
= |
-21 |
* |
(80 |
/ |
225)
|
= |
-7.46666666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Glenview Elementary
|
-15 |
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 |
2499 |
2458 |
- |
2436 |
= |
22 |
* |
(73 |
/ |
206)
|
= |
7.7961165 |
| 4 |
2502 |
2479 |
- |
2485 |
= |
-6 |
* |
(66 |
/ |
206)
|
= |
-1.92233009 |
| 5 |
2503 |
2491 |
- |
2528 |
= |
-37 |
* |
(67 |
/ |
206)
|
= |
-12.03398057 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Glenview Elementary
|
-6 |
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 |
2571 |
2459 |
- |
2436 |
= |
23 |
* |
(71 |
/ |
201)
|
= |
8.12437809 |
| 4 |
2574 |
2507 |
- |
2485 |
= |
22 |
* |
(68 |
/ |
201)
|
= |
7.44278605 |
| 5 |
2576 |
2527 |
- |
2528 |
= |
-1 |
* |
(62 |
/ |
201)
|
= |
-0.30845771 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Glenview Elementary
|
15 |
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 |
2576 |
2457 |
- |
2436 |
= |
21 |
* |
(71 |
/ |
210)
|
= |
7.1 |
| 4 |
2578 |
2474 |
- |
2485 |
= |
-11 |
* |
(71 |
/ |
210)
|
= |
-3.71904762 |
| 5 |
2580 |
2547 |
- |
2528 |
= |
19 |
* |
(68 |
/ |
210)
|
= |
6.15238094 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Glenview 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 |
2597 |
2466 |
- |
2436 |
= |
30 |
* |
(77 |
/ |
221)
|
= |
10.45248867 |
| 4 |
2598 |
2448 |
- |
2485 |
= |
-37 |
* |
(71 |
/ |
221)
|
= |
-11.88687782 |
| 5 |
2599 |
2502 |
- |
2528 |
= |
-26 |
* |
(73 |
/ |
221)
|
= |
-8.58823529 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Glenview Elementary
|
-10 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-15
|
-6
|
15
|
10
|
-10
|
-6.0 |
-1.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 37.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -40.2
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:
