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 |
1852043 |
2395 |
- |
2436 |
= |
-41 |
* |
(101 |
/ |
363)
|
= |
-11.40771347 |
4 |
1852046 |
2395 |
- |
2485 |
= |
-90 |
* |
(88 |
/ |
363)
|
= |
-21.81818178 |
5 |
1852047 |
2407 |
- |
2528 |
= |
-121 |
* |
(91 |
/ |
363)
|
= |
-30.33333331 |
6 |
1852050 |
2460 |
- |
2552 |
= |
-92 |
* |
(83 |
/ |
363)
|
= |
-21.0358126 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Nicholas Elementary
|
-85 |
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 |
57243 |
2378 |
- |
2436 |
= |
-58 |
* |
(111 |
/ |
387)
|
= |
-16.63565889 |
4 |
57244 |
2427 |
- |
2485 |
= |
-58 |
* |
(101 |
/ |
387)
|
= |
-15.1369509 |
5 |
57246 |
2419 |
- |
2528 |
= |
-109 |
* |
(88 |
/ |
387)
|
= |
-24.78552962 |
6 |
57249 |
2468 |
- |
2552 |
= |
-84 |
* |
(87 |
/ |
387)
|
= |
-18.88372088 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Nicholas Elementary
|
-75 |
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 |
58918 |
2403 |
- |
2436 |
= |
-33 |
* |
(71 |
/ |
372)
|
= |
-6.2983871 |
4 |
58920 |
2402 |
- |
2485 |
= |
-83 |
* |
(100 |
/ |
372)
|
= |
-22.31182793 |
5 |
58922 |
2432 |
- |
2528 |
= |
-96 |
* |
(104 |
/ |
372)
|
= |
-26.83870963 |
6 |
58923 |
2442 |
- |
2552 |
= |
-110 |
* |
(97 |
/ |
372)
|
= |
-28.68279568 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Nicholas Elementary
|
-84 |
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 |
59032 |
2388 |
- |
2436 |
= |
-48 |
* |
(95 |
/ |
369)
|
= |
-12.35772355 |
4 |
59034 |
2436 |
- |
2485 |
= |
-49 |
* |
(71 |
/ |
369)
|
= |
-9.42818428 |
5 |
59036 |
2405 |
- |
2528 |
= |
-123 |
* |
(98 |
/ |
369)
|
= |
-32.66666657 |
6 |
59038 |
2478 |
- |
2552 |
= |
-74 |
* |
(105 |
/ |
369)
|
= |
-21.05691053 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Nicholas Elementary
|
-76 |
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 |
59288 |
2382 |
- |
2436 |
= |
-54 |
* |
(96 |
/ |
370)
|
= |
-14.01081079 |
4 |
59289 |
2413 |
- |
2485 |
= |
-72 |
* |
(100 |
/ |
370)
|
= |
-19.45945944 |
5 |
59290 |
2430 |
- |
2528 |
= |
-98 |
* |
(82 |
/ |
370)
|
= |
-21.71891886 |
6 |
59291 |
2461 |
- |
2552 |
= |
-91 |
* |
(92 |
/ |
370)
|
= |
-22.62702697 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Nicholas Elementary
|
-78 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-85
|
-75
|
-84
|
-76
|
-78
|
-398.0 |
-79.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -67.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.6
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: