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 |
875202 |
2449 |
- |
2436 |
= |
13 |
* |
(54 |
/ |
163)
|
= |
4.30674846 |
| 4 |
875205 |
2456 |
- |
2485 |
= |
-29 |
* |
(53 |
/ |
163)
|
= |
-9.42944785 |
| 5 |
875206 |
2519 |
- |
2528 |
= |
-9 |
* |
(56 |
/ |
163)
|
= |
-3.09202454 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Beethoven Street Elementary
|
-8 |
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 |
27689 |
2455 |
- |
2436 |
= |
19 |
* |
(57 |
/ |
168)
|
= |
6.44642857 |
| 4 |
27691 |
2479 |
- |
2485 |
= |
-6 |
* |
(51 |
/ |
168)
|
= |
-1.82142857 |
| 5 |
27693 |
2478 |
- |
2528 |
= |
-50 |
* |
(60 |
/ |
168)
|
= |
-17.85714285 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Beethoven Street Elementary
|
-13 |
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 |
28259 |
2453 |
- |
2436 |
= |
17 |
* |
(46 |
/ |
150)
|
= |
5.21333332 |
| 4 |
28261 |
2470 |
- |
2485 |
= |
-15 |
* |
(55 |
/ |
150)
|
= |
-5.49999999 |
| 5 |
28264 |
2485 |
- |
2528 |
= |
-43 |
* |
(49 |
/ |
150)
|
= |
-14.04666664 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Beethoven Street Elementary
|
-14 |
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 |
28310 |
2439 |
- |
2436 |
= |
3 |
* |
(46 |
/ |
144)
|
= |
0.95833333 |
| 4 |
28312 |
2485 |
- |
2485 |
= |
0 |
* |
(42 |
/ |
144)
|
= |
0.0 |
| 5 |
28314 |
2490 |
- |
2528 |
= |
-38 |
* |
(56 |
/ |
144)
|
= |
-14.77777774 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Beethoven Street Elementary
|
-14 |
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 |
28490 |
2471 |
- |
2436 |
= |
35 |
* |
(52 |
/ |
139)
|
= |
13.09352517 |
| 4 |
28491 |
2460 |
- |
2485 |
= |
-25 |
* |
(44 |
/ |
139)
|
= |
-7.91366905 |
| 5 |
28492 |
2526 |
- |
2528 |
= |
-2 |
* |
(43 |
/ |
139)
|
= |
-0.61870503 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Beethoven Street Elementary
|
5 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-8
|
-13
|
-14
|
-14
|
5
|
-44.0 |
-8.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -32.8
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:
