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 |
966439 |
2393 |
- |
2436 |
= |
-43 |
* |
(78 |
/ |
283)
|
= |
-11.85159008 |
4 |
966440 |
2435 |
- |
2485 |
= |
-50 |
* |
(88 |
/ |
283)
|
= |
-15.54770315 |
5 |
966443 |
2417 |
- |
2528 |
= |
-111 |
* |
(117 |
/ |
283)
|
= |
-45.89045927 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Trinity Street 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 |
30577 |
2393 |
- |
2436 |
= |
-43 |
* |
(99 |
/ |
263)
|
= |
-16.18631177 |
4 |
30579 |
2431 |
- |
2485 |
= |
-54 |
* |
(77 |
/ |
263)
|
= |
-15.80988591 |
5 |
30581 |
2442 |
- |
2528 |
= |
-86 |
* |
(87 |
/ |
263)
|
= |
-28.44866919 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Trinity Street Elementary
|
-60 |
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 |
31142 |
2398 |
- |
2436 |
= |
-38 |
* |
(79 |
/ |
244)
|
= |
-12.30327866 |
4 |
31144 |
2410 |
- |
2485 |
= |
-75 |
* |
(89 |
/ |
244)
|
= |
-27.35655735 |
5 |
31145 |
2420 |
- |
2528 |
= |
-108 |
* |
(76 |
/ |
244)
|
= |
-33.63934417 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Trinity Street Elementary
|
-73 |
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 |
31189 |
2406 |
- |
2436 |
= |
-30 |
* |
(65 |
/ |
229)
|
= |
-8.51528382 |
4 |
31191 |
2422 |
- |
2485 |
= |
-63 |
* |
(74 |
/ |
229)
|
= |
-20.35807855 |
5 |
31193 |
2408 |
- |
2528 |
= |
-120 |
* |
(90 |
/ |
229)
|
= |
-47.161572 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Trinity Street 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 |
31364 |
2386 |
- |
2436 |
= |
-50 |
* |
(78 |
/ |
203)
|
= |
-19.21182265 |
4 |
31365 |
2426 |
- |
2485 |
= |
-59 |
* |
(55 |
/ |
203)
|
= |
-15.98522164 |
5 |
31366 |
2446 |
- |
2528 |
= |
-82 |
* |
(70 |
/ |
203)
|
= |
-28.27586205 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Trinity Street Elementary
|
-63 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-73
|
-60
|
-73
|
-76
|
-63
|
-345.0 |
-69.0 |
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: -90.0
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: