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 |
315470 |
2355 |
- |
2436 |
= |
-81 |
* |
(115 |
/ |
410)
|
= |
-22.71951212 |
| 4 |
315473 |
2378 |
- |
2485 |
= |
-107 |
* |
(111 |
/ |
410)
|
= |
-28.96829265 |
| 5 |
315474 |
2429 |
- |
2528 |
= |
-99 |
* |
(105 |
/ |
410)
|
= |
-25.35365844 |
| 6 |
315477 |
2443 |
- |
2552 |
= |
-109 |
* |
(79 |
/ |
410)
|
= |
-21.00243893 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mario G. Olmos Elementary
|
-98 |
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 |
9414 |
2374 |
- |
2436 |
= |
-62 |
* |
(116 |
/ |
444)
|
= |
-16.19819818 |
| 4 |
9415 |
2398 |
- |
2485 |
= |
-87 |
* |
(106 |
/ |
444)
|
= |
-20.77027021 |
| 5 |
9417 |
2394 |
- |
2528 |
= |
-134 |
* |
(116 |
/ |
444)
|
= |
-35.00900897 |
| 6 |
9419 |
2469 |
- |
2552 |
= |
-83 |
* |
(106 |
/ |
444)
|
= |
-19.81531525 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mario G. Olmos Elementary
|
-92 |
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 |
9725 |
2387 |
- |
2436 |
= |
-49 |
* |
(116 |
/ |
434)
|
= |
-13.09677415 |
| 4 |
9727 |
2387 |
- |
2485 |
= |
-98 |
* |
(115 |
/ |
434)
|
= |
-25.96774188 |
| 5 |
9730 |
2428 |
- |
2528 |
= |
-100 |
* |
(101 |
/ |
434)
|
= |
-23.2718894 |
| 6 |
9732 |
2433 |
- |
2552 |
= |
-119 |
* |
(102 |
/ |
434)
|
= |
-27.96774188 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mario G. Olmos Elementary
|
-90 |
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 |
9734 |
2406 |
- |
2436 |
= |
-30 |
* |
(95 |
/ |
416)
|
= |
-6.85096152 |
| 4 |
9735 |
2432 |
- |
2485 |
= |
-53 |
* |
(109 |
/ |
416)
|
= |
-13.88701919 |
| 5 |
9738 |
2417 |
- |
2528 |
= |
-111 |
* |
(107 |
/ |
416)
|
= |
-28.55048072 |
| 6 |
9739 |
2456 |
- |
2552 |
= |
-96 |
* |
(105 |
/ |
416)
|
= |
-24.23076922 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mario G. Olmos Elementary
|
-74 |
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 |
9824 |
2428 |
- |
2436 |
= |
-8 |
* |
(114 |
/ |
415)
|
= |
-2.19759036 |
| 4 |
9825 |
2416 |
- |
2485 |
= |
-69 |
* |
(94 |
/ |
415)
|
= |
-15.62891566 |
| 5 |
9826 |
2432 |
- |
2528 |
= |
-96 |
* |
(101 |
/ |
415)
|
= |
-23.36385533 |
| 6 |
9827 |
2446 |
- |
2552 |
= |
-106 |
* |
(106 |
/ |
415)
|
= |
-27.07469872 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mario G. Olmos Elementary
|
-68 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-98
|
-92
|
-90
|
-74
|
-68
|
-422.0 |
-84.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -120.4
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:
