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 |
946179 |
2391 |
- |
2436 |
= |
-45 |
* |
(75 |
/ |
249)
|
= |
-13.55421686 |
| 4 |
946180 |
2438 |
- |
2485 |
= |
-47 |
* |
(64 |
/ |
249)
|
= |
-12.08032126 |
| 5 |
946183 |
2449 |
- |
2528 |
= |
-79 |
* |
(66 |
/ |
249)
|
= |
-20.93975896 |
| 6 |
946184 |
2463 |
- |
2552 |
= |
-89 |
* |
(44 |
/ |
249)
|
= |
-15.7269076 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for President Avenue Elementary
|
-62 |
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 |
29931 |
2395 |
- |
2436 |
= |
-41 |
* |
(54 |
/ |
249)
|
= |
-8.89156623 |
| 4 |
29933 |
2437 |
- |
2485 |
= |
-48 |
* |
(72 |
/ |
249)
|
= |
-13.87951805 |
| 5 |
29934 |
2464 |
- |
2528 |
= |
-64 |
* |
(73 |
/ |
249)
|
= |
-18.76305216 |
| 6 |
29937 |
2456 |
- |
2552 |
= |
-96 |
* |
(50 |
/ |
249)
|
= |
-19.27710835 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for President Avenue Elementary
|
-61 |
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 |
30496 |
2390 |
- |
2436 |
= |
-46 |
* |
(65 |
/ |
237)
|
= |
-12.61603374 |
| 4 |
30497 |
2450 |
- |
2485 |
= |
-35 |
* |
(56 |
/ |
237)
|
= |
-8.27004217 |
| 5 |
30500 |
2456 |
- |
2528 |
= |
-72 |
* |
(72 |
/ |
237)
|
= |
-21.8734177 |
| 6 |
30502 |
2477 |
- |
2552 |
= |
-75 |
* |
(44 |
/ |
237)
|
= |
-13.9240506 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for President Avenue Elementary
|
-57 |
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 |
30547 |
2389 |
- |
2436 |
= |
-47 |
* |
(54 |
/ |
232)
|
= |
-10.93965514 |
| 4 |
30549 |
2443 |
- |
2485 |
= |
-42 |
* |
(66 |
/ |
232)
|
= |
-11.94827584 |
| 5 |
30551 |
2448 |
- |
2528 |
= |
-80 |
* |
(56 |
/ |
232)
|
= |
-19.3103448 |
| 6 |
30553 |
2469 |
- |
2552 |
= |
-83 |
* |
(56 |
/ |
232)
|
= |
-20.03448273 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for President Avenue Elementary
|
-62 |
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 |
30723 |
2410 |
- |
2436 |
= |
-26 |
* |
(43 |
/ |
197)
|
= |
-5.67512689 |
| 4 |
30724 |
2445 |
- |
2485 |
= |
-40 |
* |
(58 |
/ |
197)
|
= |
-11.77664972 |
| 5 |
30725 |
2465 |
- |
2528 |
= |
-63 |
* |
(63 |
/ |
197)
|
= |
-20.1472081 |
| 6 |
30726 |
2525 |
- |
2552 |
= |
-27 |
* |
(33 |
/ |
197)
|
= |
-4.52284263 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for President Avenue Elementary
|
-42 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-62
|
-61
|
-57
|
-62
|
-42
|
-284.0 |
-56.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.8
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:
