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 |
88015 |
2364 |
- |
2436 |
= |
-72 |
* |
(42 |
/ |
121)
|
= |
-24.99173554 |
4 |
88018 |
2374 |
- |
2485 |
= |
-111 |
* |
(35 |
/ |
121)
|
= |
-32.10743798 |
5 |
88019 |
2405 |
- |
2528 |
= |
-123 |
* |
(44 |
/ |
121)
|
= |
-44.72727265 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Emerson Elementary
|
-102 |
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 |
2468 |
2371 |
- |
2436 |
= |
-65 |
* |
(51 |
/ |
110)
|
= |
-30.1363636 |
4 |
2470 |
2390 |
- |
2485 |
= |
-95 |
* |
(29 |
/ |
110)
|
= |
-25.04545449 |
5 |
2472 |
2384 |
- |
2528 |
= |
-144 |
* |
(30 |
/ |
110)
|
= |
-39.27272717 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Emerson Elementary
|
-94 |
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 |
2539 |
2346 |
- |
2436 |
= |
-90 |
* |
(42 |
/ |
119)
|
= |
-31.76470584 |
4 |
2541 |
2381 |
- |
2485 |
= |
-104 |
* |
(41 |
/ |
119)
|
= |
-35.83193276 |
5 |
2543 |
2382 |
- |
2528 |
= |
-146 |
* |
(36 |
/ |
119)
|
= |
-44.16806717 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Emerson Elementary
|
-112 |
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 |
2543 |
2357 |
- |
2436 |
= |
-79 |
* |
(43 |
/ |
128)
|
= |
-26.5390625 |
4 |
2545 |
2380 |
- |
2485 |
= |
-105 |
* |
(48 |
/ |
128)
|
= |
-39.375 |
5 |
2547 |
2424 |
- |
2528 |
= |
-104 |
* |
(37 |
/ |
128)
|
= |
-30.0625 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Emerson Elementary
|
-96 |
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 |
2565 |
2379 |
- |
2436 |
= |
-57 |
* |
(38 |
/ |
121)
|
= |
-17.9008264 |
4 |
2566 |
2368 |
- |
2485 |
= |
-117 |
* |
(37 |
/ |
121)
|
= |
-35.77685939 |
5 |
2567 |
2379 |
- |
2528 |
= |
-149 |
* |
(46 |
/ |
121)
|
= |
-56.64462806 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Emerson Elementary
|
-110 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-102
|
-94
|
-112
|
-96
|
-110
|
-514.0 |
-102.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -78.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.8
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: