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 |
331595 |
2370 |
- |
2436 |
= |
-66 |
* |
(118 |
/ |
419)
|
= |
-18.58711213 |
4 |
331598 |
2405 |
- |
2485 |
= |
-80 |
* |
(105 |
/ |
419)
|
= |
-20.04773264 |
5 |
331599 |
2436 |
- |
2528 |
= |
-92 |
* |
(99 |
/ |
419)
|
= |
-21.73747011 |
6 |
331602 |
2460 |
- |
2552 |
= |
-92 |
* |
(97 |
/ |
419)
|
= |
-21.29832927 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rowell Elementary
|
-82 |
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 |
9894 |
2379 |
- |
2436 |
= |
-57 |
* |
(84 |
/ |
390)
|
= |
-12.27692306 |
4 |
9895 |
2409 |
- |
2485 |
= |
-76 |
* |
(109 |
/ |
390)
|
= |
-21.2410256 |
5 |
9898 |
2412 |
- |
2528 |
= |
-116 |
* |
(103 |
/ |
390)
|
= |
-30.63589742 |
6 |
9900 |
2449 |
- |
2552 |
= |
-103 |
* |
(94 |
/ |
390)
|
= |
-24.82564102 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rowell Elementary
|
-89 |
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 |
10221 |
2379 |
- |
2436 |
= |
-57 |
* |
(77 |
/ |
365)
|
= |
-12.02465753 |
4 |
10223 |
2405 |
- |
2485 |
= |
-80 |
* |
(80 |
/ |
365)
|
= |
-17.53424656 |
5 |
10226 |
2431 |
- |
2528 |
= |
-97 |
* |
(109 |
/ |
365)
|
= |
-28.96712319 |
6 |
10227 |
2438 |
- |
2552 |
= |
-114 |
* |
(99 |
/ |
365)
|
= |
-30.92054786 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rowell Elementary
|
-89 |
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 |
10239 |
2405 |
- |
2436 |
= |
-31 |
* |
(79 |
/ |
338)
|
= |
-7.24556211 |
4 |
10241 |
2421 |
- |
2485 |
= |
-64 |
* |
(85 |
/ |
338)
|
= |
-16.0946745 |
5 |
10243 |
2447 |
- |
2528 |
= |
-81 |
* |
(78 |
/ |
338)
|
= |
-18.69230763 |
6 |
10245 |
2478 |
- |
2552 |
= |
-74 |
* |
(96 |
/ |
338)
|
= |
-21.01775143 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rowell 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 |
10320 |
2401 |
- |
2436 |
= |
-35 |
* |
(100 |
/ |
339)
|
= |
-10.32448375 |
4 |
10321 |
2450 |
- |
2485 |
= |
-35 |
* |
(83 |
/ |
339)
|
= |
-8.56932153 |
5 |
10322 |
2476 |
- |
2528 |
= |
-52 |
* |
(86 |
/ |
339)
|
= |
-13.19174038 |
6 |
10323 |
2468 |
- |
2552 |
= |
-84 |
* |
(70 |
/ |
339)
|
= |
-17.3451327 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rowell Elementary
|
-49 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-82
|
-89
|
-89
|
-63
|
-49
|
-372.0 |
-74.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -23.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -125.4
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: