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 |
798302 |
2383 |
- |
2436 |
= |
-53 |
* |
(84 |
/ |
239)
|
= |
-18.62761506 |
4 |
798303 |
2407 |
- |
2485 |
= |
-78 |
* |
(74 |
/ |
239)
|
= |
-24.15062754 |
5 |
798306 |
2431 |
- |
2528 |
= |
-97 |
* |
(81 |
/ |
239)
|
= |
-32.8744769 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Aurora Elementary
|
-76 |
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 |
24956 |
2424 |
- |
2436 |
= |
-12 |
* |
(72 |
/ |
228)
|
= |
-3.78947368 |
4 |
24959 |
2427 |
- |
2485 |
= |
-58 |
* |
(84 |
/ |
228)
|
= |
-21.36842102 |
5 |
24961 |
2445 |
- |
2528 |
= |
-83 |
* |
(72 |
/ |
228)
|
= |
-26.21052626 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Aurora Elementary
|
-51 |
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 |
25453 |
2391 |
- |
2436 |
= |
-45 |
* |
(69 |
/ |
224)
|
= |
-13.86160713 |
4 |
25455 |
2433 |
- |
2485 |
= |
-52 |
* |
(73 |
/ |
224)
|
= |
-16.94642856 |
5 |
25457 |
2437 |
- |
2528 |
= |
-91 |
* |
(82 |
/ |
224)
|
= |
-33.31249995 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Aurora Elementary
|
-64 |
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 |
25480 |
2383 |
- |
2436 |
= |
-53 |
* |
(66 |
/ |
203)
|
= |
-17.23152706 |
4 |
25482 |
2427 |
- |
2485 |
= |
-58 |
* |
(67 |
/ |
203)
|
= |
-19.14285714 |
5 |
25484 |
2450 |
- |
2528 |
= |
-78 |
* |
(70 |
/ |
203)
|
= |
-26.89655171 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Aurora Elementary
|
-63 |
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 |
25642 |
2420 |
- |
2436 |
= |
-16 |
* |
(61 |
/ |
189)
|
= |
-5.16402115 |
4 |
25643 |
2428 |
- |
2485 |
= |
-57 |
* |
(58 |
/ |
189)
|
= |
-17.49206344 |
5 |
25644 |
2426 |
- |
2528 |
= |
-102 |
* |
(70 |
/ |
189)
|
= |
-37.77777774 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Aurora Elementary
|
-60 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-76
|
-51
|
-64
|
-63
|
-60
|
-314.0 |
-62.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -38.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -86.8
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: