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 |
2364778 |
2377 |
- |
2436 |
= |
-59 |
* |
(60 |
/ |
152)
|
= |
-23.28947368 |
4 |
2364781 |
2400 |
- |
2485 |
= |
-85 |
* |
(41 |
/ |
152)
|
= |
-22.92763157 |
5 |
2364782 |
2476 |
- |
2528 |
= |
-52 |
* |
(51 |
/ |
152)
|
= |
-17.44736838 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Glen Park Elementary
|
-64 |
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 |
72248 |
2360 |
- |
2436 |
= |
-76 |
* |
(59 |
/ |
137)
|
= |
-32.72992698 |
4 |
72250 |
2427 |
- |
2485 |
= |
-58 |
* |
(53 |
/ |
137)
|
= |
-22.43795615 |
5 |
72252 |
2461 |
- |
2528 |
= |
-67 |
* |
(25 |
/ |
137)
|
= |
-12.22627732 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Glen Park Elementary
|
-67 |
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 |
74222 |
2414 |
- |
2436 |
= |
-22 |
* |
(61 |
/ |
157)
|
= |
-8.54777068 |
4 |
74224 |
2451 |
- |
2485 |
= |
-34 |
* |
(51 |
/ |
157)
|
= |
-11.04458598 |
5 |
74225 |
2498 |
- |
2528 |
= |
-30 |
* |
(45 |
/ |
157)
|
= |
-8.59872609 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Glen Park Elementary
|
-28 |
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 |
74396 |
2426 |
- |
2436 |
= |
-10 |
* |
(62 |
/ |
167)
|
= |
-3.71257485 |
4 |
74397 |
2461 |
- |
2485 |
= |
-24 |
* |
(57 |
/ |
167)
|
= |
-8.19161676 |
5 |
74400 |
2470 |
- |
2528 |
= |
-58 |
* |
(48 |
/ |
167)
|
= |
-16.67065864 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Glen Park Elementary
|
-29 |
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 |
74919 |
2410 |
- |
2436 |
= |
-26 |
* |
(64 |
/ |
165)
|
= |
-10.08484846 |
4 |
74920 |
2469 |
- |
2485 |
= |
-16 |
* |
(52 |
/ |
165)
|
= |
-5.04242424 |
5 |
74921 |
2448 |
- |
2528 |
= |
-80 |
* |
(49 |
/ |
165)
|
= |
-23.75757568 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Glen Park Elementary
|
-39 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-64
|
-67
|
-28
|
-29
|
-39
|
-227.0 |
-45.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.4
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: