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 |
869142 |
2430 |
- |
2436 |
= |
-6 |
* |
(67 |
/ |
225)
|
= |
-1.78666666 |
| 4 |
869143 |
2457 |
- |
2485 |
= |
-28 |
* |
(71 |
/ |
225)
|
= |
-8.83555554 |
| 5 |
869146 |
2485 |
- |
2528 |
= |
-43 |
* |
(65 |
/ |
225)
|
= |
-12.42222218 |
| 6 |
869148 |
2595 |
- |
2552 |
= |
43 |
* |
(22 |
/ |
225)
|
= |
4.20444441 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Allesandro Elementary
|
-19 |
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 |
27491 |
2459 |
- |
2436 |
= |
23 |
* |
(71 |
/ |
232)
|
= |
7.03879309 |
| 4 |
27492 |
2510 |
- |
2485 |
= |
25 |
* |
(65 |
/ |
232)
|
= |
7.00431033 |
| 5 |
27494 |
2479 |
- |
2528 |
= |
-49 |
* |
(69 |
/ |
232)
|
= |
-14.57327586 |
| 6 |
27497 |
2614 |
- |
2552 |
= |
62 |
* |
(27 |
/ |
232)
|
= |
7.21551722 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Allesandro Elementary
|
7 |
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 |
28063 |
2434 |
- |
2436 |
= |
-2 |
* |
(62 |
/ |
215)
|
= |
-0.57674419 |
| 4 |
28065 |
2510 |
- |
2485 |
= |
25 |
* |
(69 |
/ |
215)
|
= |
8.0232558 |
| 5 |
28068 |
2524 |
- |
2528 |
= |
-4 |
* |
(62 |
/ |
215)
|
= |
-1.15348837 |
| 6 |
28069 |
2588 |
- |
2552 |
= |
36 |
* |
(22 |
/ |
215)
|
= |
3.68372092 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Allesandro Elementary
|
10 |
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 |
28114 |
2439 |
- |
2436 |
= |
3 |
* |
(66 |
/ |
213)
|
= |
0.92957746 |
| 4 |
28116 |
2504 |
- |
2485 |
= |
19 |
* |
(58 |
/ |
213)
|
= |
5.17370891 |
| 5 |
28118 |
2524 |
- |
2528 |
= |
-4 |
* |
(65 |
/ |
213)
|
= |
-1.22065728 |
| 6 |
28120 |
2626 |
- |
2552 |
= |
74 |
* |
(24 |
/ |
213)
|
= |
8.33802814 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Allesandro Elementary
|
13 |
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 |
28295 |
2442 |
- |
2436 |
= |
6 |
* |
(47 |
/ |
187)
|
= |
1.50802139 |
| 4 |
28296 |
2507 |
- |
2485 |
= |
22 |
* |
(67 |
/ |
187)
|
= |
7.88235294 |
| 5 |
28297 |
2519 |
- |
2528 |
= |
-9 |
* |
(50 |
/ |
187)
|
= |
-2.40641711 |
| 6 |
28298 |
2593 |
- |
2552 |
= |
41 |
* |
(23 |
/ |
187)
|
= |
5.04278073 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Allesandro Elementary
|
12 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-19
|
7
|
10
|
13
|
12
|
23.0 |
4.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 43.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.4
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:
