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 |
1006185 |
2368 |
- |
2436 |
= |
-68 |
* |
(177 |
/ |
501)
|
= |
-24.02395208 |
4 |
1006186 |
2416 |
- |
2485 |
= |
-69 |
* |
(167 |
/ |
501)
|
= |
-22.99999998 |
5 |
1006189 |
2454 |
- |
2528 |
= |
-74 |
* |
(157 |
/ |
501)
|
= |
-23.18962072 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for San Miguel Elementary
|
-70 |
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 |
31748 |
2388 |
- |
2436 |
= |
-48 |
* |
(160 |
/ |
488)
|
= |
-15.7377049 |
4 |
31751 |
2407 |
- |
2485 |
= |
-78 |
* |
(168 |
/ |
488)
|
= |
-26.85245901 |
5 |
31752 |
2461 |
- |
2528 |
= |
-67 |
* |
(160 |
/ |
488)
|
= |
-21.96721308 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for San Miguel Elementary
|
-65 |
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 |
32302 |
2385 |
- |
2436 |
= |
-51 |
* |
(139 |
/ |
462)
|
= |
-15.3441558 |
4 |
32303 |
2426 |
- |
2485 |
= |
-59 |
* |
(162 |
/ |
462)
|
= |
-20.68831165 |
5 |
32305 |
2456 |
- |
2528 |
= |
-72 |
* |
(161 |
/ |
462)
|
= |
-25.09090906 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for San Miguel Elementary
|
-61 |
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 |
32328 |
2390 |
- |
2436 |
= |
-46 |
* |
(164 |
/ |
456)
|
= |
-16.54385961 |
4 |
32331 |
2427 |
- |
2485 |
= |
-58 |
* |
(135 |
/ |
456)
|
= |
-17.1710526 |
5 |
32332 |
2466 |
- |
2528 |
= |
-62 |
* |
(157 |
/ |
456)
|
= |
-21.34649119 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for San Miguel Elementary
|
-55 |
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 |
32510 |
2379 |
- |
2436 |
= |
-57 |
* |
(155 |
/ |
446)
|
= |
-19.80941702 |
4 |
32511 |
2432 |
- |
2485 |
= |
-53 |
* |
(158 |
/ |
446)
|
= |
-18.77578472 |
5 |
32512 |
2450 |
- |
2528 |
= |
-78 |
* |
(133 |
/ |
446)
|
= |
-23.26008968 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for San Miguel Elementary
|
-62 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-70
|
-65
|
-61
|
-55
|
-62
|
-313.0 |
-62.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.6
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: