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 |
891982 |
2397 |
- |
2436 |
= |
-39 |
* |
(38 |
/ |
170)
|
= |
-8.71764703 |
| 4 |
891985 |
2435 |
- |
2485 |
= |
-50 |
* |
(44 |
/ |
170)
|
= |
-12.94117645 |
| 5 |
891986 |
2454 |
- |
2528 |
= |
-74 |
* |
(70 |
/ |
170)
|
= |
-30.47058817 |
| 6 |
891989 |
2536 |
- |
2552 |
= |
-16 |
* |
(18 |
/ |
170)
|
= |
-1.69411763 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Cowan Avenue Elementary
|
-54 |
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 |
28201 |
2399 |
- |
2436 |
= |
-37 |
* |
(44 |
/ |
147)
|
= |
-11.0748299 |
| 4 |
28203 |
2480 |
- |
2485 |
= |
-5 |
* |
(38 |
/ |
147)
|
= |
-1.29251701 |
| 5 |
28205 |
2463 |
- |
2528 |
= |
-65 |
* |
(42 |
/ |
147)
|
= |
-18.57142853 |
| 6 |
28207 |
2580 |
- |
2552 |
= |
28 |
* |
(23 |
/ |
147)
|
= |
4.38095238 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Cowan Avenue Elementary
|
-27 |
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 |
28768 |
2453 |
- |
2436 |
= |
17 |
* |
(46 |
/ |
151)
|
= |
5.17880794 |
| 4 |
28770 |
2482 |
- |
2485 |
= |
-3 |
* |
(46 |
/ |
151)
|
= |
-0.91390728 |
| 5 |
28772 |
2507 |
- |
2528 |
= |
-21 |
* |
(43 |
/ |
151)
|
= |
-5.98013243 |
| 6 |
28774 |
2582 |
- |
2552 |
= |
30 |
* |
(16 |
/ |
151)
|
= |
3.17880792 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Cowan Avenue Elementary
|
1 |
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 |
28816 |
2466 |
- |
2436 |
= |
30 |
* |
(48 |
/ |
151)
|
= |
9.53642382 |
| 4 |
28818 |
2498 |
- |
2485 |
= |
13 |
* |
(44 |
/ |
151)
|
= |
3.78807946 |
| 5 |
28820 |
2502 |
- |
2528 |
= |
-26 |
* |
(41 |
/ |
151)
|
= |
-7.05960263 |
| 6 |
28822 |
2627 |
- |
2552 |
= |
75 |
* |
(18 |
/ |
151)
|
= |
8.94039735 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Cowan Avenue Elementary
|
15 |
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 |
28997 |
2454 |
- |
2436 |
= |
18 |
* |
(48 |
/ |
159)
|
= |
5.43396226 |
| 4 |
28998 |
2491 |
- |
2485 |
= |
6 |
* |
(45 |
/ |
159)
|
= |
1.6981132 |
| 5 |
28999 |
2548 |
- |
2528 |
= |
20 |
* |
(45 |
/ |
159)
|
= |
5.66037734 |
| 6 |
29000 |
2600 |
- |
2552 |
= |
48 |
* |
(21 |
/ |
159)
|
= |
6.33962261 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Cowan Avenue Elementary
|
19 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-54
|
-27
|
1
|
15
|
19
|
-46.0 |
-9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 80.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.2
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:
