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 |
804069 |
2377 |
- |
2436 |
= |
-59 |
* |
(129 |
/ |
344)
|
= |
-22.125 |
| 4 |
804072 |
2411 |
- |
2485 |
= |
-74 |
* |
(115 |
/ |
344)
|
= |
-24.73837205 |
| 5 |
804073 |
2432 |
- |
2528 |
= |
-96 |
* |
(100 |
/ |
344)
|
= |
-27.9069767 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Frank del Olmo Elementary
|
-75 |
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 |
25158 |
2395 |
- |
2436 |
= |
-41 |
* |
(105 |
/ |
344)
|
= |
-12.51453488 |
| 4 |
25161 |
2418 |
- |
2485 |
= |
-67 |
* |
(128 |
/ |
344)
|
= |
-24.93023254 |
| 5 |
25163 |
2436 |
- |
2528 |
= |
-92 |
* |
(111 |
/ |
344)
|
= |
-29.68604646 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Frank del Olmo 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 |
25656 |
2395 |
- |
2436 |
= |
-41 |
* |
(136 |
/ |
382)
|
= |
-14.59685862 |
| 4 |
25658 |
2433 |
- |
2485 |
= |
-52 |
* |
(111 |
/ |
382)
|
= |
-15.10994763 |
| 5 |
25659 |
2479 |
- |
2528 |
= |
-49 |
* |
(135 |
/ |
382)
|
= |
-17.31675391 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Frank del Olmo Elementary
|
-47 |
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 |
25682 |
2417 |
- |
2436 |
= |
-19 |
* |
(114 |
/ |
376)
|
= |
-5.76063829 |
| 4 |
25684 |
2439 |
- |
2485 |
= |
-46 |
* |
(138 |
/ |
376)
|
= |
-16.8829787 |
| 5 |
25687 |
2488 |
- |
2528 |
= |
-40 |
* |
(124 |
/ |
376)
|
= |
-13.19148936 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Frank del Olmo Elementary
|
-36 |
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 |
25844 |
2412 |
- |
2436 |
= |
-24 |
* |
(113 |
/ |
354)
|
= |
-7.66101694 |
| 4 |
25845 |
2456 |
- |
2485 |
= |
-29 |
* |
(108 |
/ |
354)
|
= |
-8.84745761 |
| 5 |
25846 |
2465 |
- |
2528 |
= |
-63 |
* |
(133 |
/ |
354)
|
= |
-23.66949148 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Frank del Olmo Elementary
|
-40 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-75
|
-67
|
-47
|
-36
|
-40
|
-265.0 |
-53.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.0
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:
