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 |
970200 |
2374 |
- |
2436 |
= |
-62 |
* |
(109 |
/ |
255)
|
= |
-26.50196076 |
4 |
970203 |
2398 |
- |
2485 |
= |
-87 |
* |
(81 |
/ |
255)
|
= |
-27.63529405 |
5 |
970204 |
2433 |
- |
2528 |
= |
-95 |
* |
(65 |
/ |
255)
|
= |
-24.2156862 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Van Nuys Elementary
|
-78 |
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 |
30694 |
2386 |
- |
2436 |
= |
-50 |
* |
(86 |
/ |
264)
|
= |
-16.28787875 |
4 |
30697 |
2398 |
- |
2485 |
= |
-87 |
* |
(101 |
/ |
264)
|
= |
-33.28409086 |
5 |
30698 |
2396 |
- |
2528 |
= |
-132 |
* |
(77 |
/ |
264)
|
= |
-38.49999991 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Van Nuys Elementary
|
-88 |
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 |
31260 |
2367 |
- |
2436 |
= |
-69 |
* |
(115 |
/ |
291)
|
= |
-27.26804121 |
4 |
31262 |
2379 |
- |
2485 |
= |
-106 |
* |
(82 |
/ |
291)
|
= |
-29.86941575 |
5 |
31264 |
2410 |
- |
2528 |
= |
-118 |
* |
(94 |
/ |
291)
|
= |
-38.11683837 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Van Nuys Elementary
|
-95 |
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 |
31306 |
2378 |
- |
2436 |
= |
-58 |
* |
(99 |
/ |
298)
|
= |
-19.26845637 |
4 |
31308 |
2387 |
- |
2485 |
= |
-98 |
* |
(114 |
/ |
298)
|
= |
-37.48993283 |
5 |
31310 |
2391 |
- |
2528 |
= |
-137 |
* |
(85 |
/ |
298)
|
= |
-39.07718116 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Van Nuys 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 |
31482 |
2424 |
- |
2436 |
= |
-12 |
* |
(90 |
/ |
298)
|
= |
-3.62416106 |
4 |
31483 |
2414 |
- |
2485 |
= |
-71 |
* |
(102 |
/ |
298)
|
= |
-24.30201341 |
5 |
31484 |
2415 |
- |
2528 |
= |
-113 |
* |
(106 |
/ |
298)
|
= |
-40.19463076 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Van Nuys Elementary
|
-68 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-78
|
-88
|
-95
|
-96
|
-68
|
-425.0 |
-85.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.0
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: