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 |
874100 |
2365 |
- |
2436 |
= |
-71 |
* |
(117 |
/ |
385)
|
= |
-21.57662331 |
4 |
874103 |
2367 |
- |
2485 |
= |
-118 |
* |
(108 |
/ |
385)
|
= |
-33.10129864 |
5 |
874104 |
2410 |
- |
2528 |
= |
-118 |
* |
(100 |
/ |
385)
|
= |
-30.64935056 |
6 |
874107 |
2448 |
- |
2552 |
= |
-104 |
* |
(60 |
/ |
385)
|
= |
-16.20779212 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Barton Hill Elementary
|
-102 |
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 |
27655 |
2380 |
- |
2436 |
= |
-56 |
* |
(107 |
/ |
373)
|
= |
-16.06434312 |
4 |
27657 |
2396 |
- |
2485 |
= |
-89 |
* |
(105 |
/ |
373)
|
= |
-25.05361926 |
5 |
27658 |
2396 |
- |
2528 |
= |
-132 |
* |
(97 |
/ |
373)
|
= |
-34.32707771 |
6 |
27660 |
2400 |
- |
2552 |
= |
-152 |
* |
(64 |
/ |
373)
|
= |
-26.08042889 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Barton Hill Elementary
|
-102 |
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 |
28226 |
2380 |
- |
2436 |
= |
-56 |
* |
(71 |
/ |
309)
|
= |
-12.86731387 |
4 |
28228 |
2388 |
- |
2485 |
= |
-97 |
* |
(99 |
/ |
309)
|
= |
-31.07766985 |
5 |
28230 |
2418 |
- |
2528 |
= |
-110 |
* |
(97 |
/ |
309)
|
= |
-34.53074427 |
6 |
28231 |
2423 |
- |
2552 |
= |
-129 |
* |
(42 |
/ |
309)
|
= |
-17.53398057 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Barton Hill Elementary
|
-96 |
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 |
28277 |
2384 |
- |
2436 |
= |
-52 |
* |
(81 |
/ |
312)
|
= |
-13.49999997 |
4 |
28279 |
2423 |
- |
2485 |
= |
-62 |
* |
(71 |
/ |
312)
|
= |
-14.10897432 |
5 |
28281 |
2428 |
- |
2528 |
= |
-100 |
* |
(95 |
/ |
312)
|
= |
-30.4487179 |
6 |
28283 |
2438 |
- |
2552 |
= |
-114 |
* |
(65 |
/ |
312)
|
= |
-23.74999996 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Barton Hill Elementary
|
-82 |
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 |
28457 |
2387 |
- |
2436 |
= |
-49 |
* |
(102 |
/ |
294)
|
= |
-16.99999998 |
4 |
28458 |
2429 |
- |
2485 |
= |
-56 |
* |
(83 |
/ |
294)
|
= |
-15.8095238 |
5 |
28459 |
2450 |
- |
2528 |
= |
-78 |
* |
(66 |
/ |
294)
|
= |
-17.51020401 |
6 |
28460 |
2428 |
- |
2552 |
= |
-124 |
* |
(43 |
/ |
294)
|
= |
-18.13605437 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Barton Hill Elementary
|
-68 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-102
|
-102
|
-96
|
-82
|
-68
|
-450.0 |
-90.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -132.0
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: