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 |
872478 |
2379 |
- |
2436 |
= |
-57 |
* |
(91 |
/ |
251)
|
= |
-20.6653386 |
| 4 |
872481 |
2410 |
- |
2485 |
= |
-75 |
* |
(78 |
/ |
251)
|
= |
-23.3067729 |
| 5 |
872482 |
2426 |
- |
2528 |
= |
-102 |
* |
(82 |
/ |
251)
|
= |
-33.32270915 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Arminta Street Elementary
|
-77 |
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 |
27601 |
2387 |
- |
2436 |
= |
-49 |
* |
(66 |
/ |
220)
|
= |
-14.7 |
| 4 |
27603 |
2433 |
- |
2485 |
= |
-52 |
* |
(79 |
/ |
220)
|
= |
-18.67272727 |
| 5 |
27604 |
2446 |
- |
2528 |
= |
-82 |
* |
(75 |
/ |
220)
|
= |
-27.95454538 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Arminta Street Elementary
|
-61 |
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 |
28171 |
2397 |
- |
2436 |
= |
-39 |
* |
(62 |
/ |
205)
|
= |
-11.79512194 |
| 4 |
28174 |
2396 |
- |
2485 |
= |
-89 |
* |
(62 |
/ |
205)
|
= |
-26.91707314 |
| 5 |
28176 |
2440 |
- |
2528 |
= |
-88 |
* |
(81 |
/ |
205)
|
= |
-34.77073169 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Arminta 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 |
28222 |
2400 |
- |
2436 |
= |
-36 |
* |
(60 |
/ |
185)
|
= |
-11.67567566 |
| 4 |
28224 |
2438 |
- |
2485 |
= |
-47 |
* |
(60 |
/ |
185)
|
= |
-15.24324323 |
| 5 |
28226 |
2441 |
- |
2528 |
= |
-87 |
* |
(65 |
/ |
185)
|
= |
-30.56756754 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Arminta Street Elementary
|
-57 |
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 |
28402 |
2420 |
- |
2436 |
= |
-16 |
* |
(65 |
/ |
187)
|
= |
-5.56149731 |
| 4 |
28403 |
2405 |
- |
2485 |
= |
-80 |
* |
(62 |
/ |
187)
|
= |
-26.52406416 |
| 5 |
28404 |
2438 |
- |
2528 |
= |
-90 |
* |
(60 |
/ |
187)
|
= |
-28.87700526 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Arminta Street Elementary
|
-61 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-77
|
-61
|
-73
|
-57
|
-61
|
-329.0 |
-65.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.8
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:
