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 |
951405 |
2376 |
- |
2436 |
= |
-60 |
* |
(139 |
/ |
523)
|
= |
-15.94646268 |
4 |
951406 |
2432 |
- |
2485 |
= |
-53 |
* |
(126 |
/ |
523)
|
= |
-12.76864245 |
5 |
951409 |
2450 |
- |
2528 |
= |
-78 |
* |
(118 |
/ |
523)
|
= |
-17.59847029 |
6 |
951410 |
2451 |
- |
2552 |
= |
-101 |
* |
(140 |
/ |
523)
|
= |
-27.03632882 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Russell Elementary
|
-73 |
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 |
30096 |
2378 |
- |
2436 |
= |
-58 |
* |
(132 |
/ |
515)
|
= |
-14.86601938 |
4 |
30098 |
2443 |
- |
2485 |
= |
-42 |
* |
(139 |
/ |
515)
|
= |
-11.3359223 |
5 |
30101 |
2457 |
- |
2528 |
= |
-71 |
* |
(130 |
/ |
515)
|
= |
-17.92233006 |
6 |
30102 |
2472 |
- |
2552 |
= |
-80 |
* |
(114 |
/ |
515)
|
= |
-17.70873784 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Russell Elementary
|
-62 |
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 |
30661 |
2382 |
- |
2436 |
= |
-54 |
* |
(137 |
/ |
513)
|
= |
-14.42105262 |
4 |
30664 |
2414 |
- |
2485 |
= |
-71 |
* |
(134 |
/ |
513)
|
= |
-18.5458089 |
5 |
30665 |
2466 |
- |
2528 |
= |
-62 |
* |
(128 |
/ |
513)
|
= |
-15.46978554 |
6 |
30667 |
2461 |
- |
2552 |
= |
-91 |
* |
(114 |
/ |
513)
|
= |
-20.2222222 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Russell Elementary
|
-69 |
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 |
30711 |
2405 |
- |
2436 |
= |
-31 |
* |
(116 |
/ |
482)
|
= |
-7.4605809 |
4 |
30713 |
2434 |
- |
2485 |
= |
-51 |
* |
(129 |
/ |
482)
|
= |
-13.64937755 |
5 |
30715 |
2426 |
- |
2528 |
= |
-102 |
* |
(127 |
/ |
482)
|
= |
-26.87551865 |
6 |
30717 |
2499 |
- |
2552 |
= |
-53 |
* |
(110 |
/ |
482)
|
= |
-12.09543565 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Russell Elementary
|
-60 |
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 |
30887 |
2406 |
- |
2436 |
= |
-30 |
* |
(115 |
/ |
446)
|
= |
-7.73542599 |
4 |
30888 |
2480 |
- |
2485 |
= |
-5 |
* |
(105 |
/ |
446)
|
= |
-1.17713004 |
5 |
30889 |
2456 |
- |
2528 |
= |
-72 |
* |
(118 |
/ |
446)
|
= |
-19.04932735 |
6 |
30890 |
2473 |
- |
2552 |
= |
-79 |
* |
(108 |
/ |
446)
|
= |
-19.13004481 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Russell Elementary
|
-47 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-73
|
-62
|
-69
|
-60
|
-47
|
-311.0 |
-62.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.2
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: