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 |
1013294 |
2405 |
- |
2436 |
= |
-31 |
* |
(99 |
/ |
230)
|
= |
-13.34347824 |
| 4 |
1013295 |
2444 |
- |
2485 |
= |
-41 |
* |
(60 |
/ |
230)
|
= |
-10.69565217 |
| 5 |
1013298 |
2433 |
- |
2528 |
= |
-95 |
* |
(71 |
/ |
230)
|
= |
-29.32608694 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for MacArthur Park Elementary School for the Visual and Performing Arts
|
-53 |
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 |
31987 |
2397 |
- |
2436 |
= |
-39 |
* |
(84 |
/ |
234)
|
= |
-13.99999996 |
| 4 |
31988 |
2441 |
- |
2485 |
= |
-44 |
* |
(90 |
/ |
234)
|
= |
-16.9230769 |
| 5 |
31990 |
2448 |
- |
2528 |
= |
-80 |
* |
(60 |
/ |
234)
|
= |
-20.51282048 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for MacArthur Park Elementary School for the Visual and Performing Arts
|
-51 |
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 |
32536 |
2377 |
- |
2436 |
= |
-59 |
* |
(83 |
/ |
247)
|
= |
-19.82591089 |
| 4 |
32539 |
2434 |
- |
2485 |
= |
-51 |
* |
(75 |
/ |
247)
|
= |
-15.48582992 |
| 5 |
32541 |
2460 |
- |
2528 |
= |
-68 |
* |
(89 |
/ |
247)
|
= |
-24.50202425 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for MacArthur Park Elementary School for the Visual and Performing Arts
|
-60 |
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 |
32555 |
2408 |
- |
2436 |
= |
-28 |
* |
(93 |
/ |
246)
|
= |
-10.58536584 |
| 4 |
32557 |
2422 |
- |
2485 |
= |
-63 |
* |
(81 |
/ |
246)
|
= |
-20.7439024 |
| 5 |
32559 |
2454 |
- |
2528 |
= |
-74 |
* |
(72 |
/ |
246)
|
= |
-21.65853652 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for MacArthur Park Elementary School for the Visual and Performing Arts
|
-53 |
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 |
32738 |
2401 |
- |
2436 |
= |
-35 |
* |
(83 |
/ |
235)
|
= |
-12.36170212 |
| 4 |
32739 |
2422 |
- |
2485 |
= |
-63 |
* |
(86 |
/ |
235)
|
= |
-23.0553191 |
| 5 |
32740 |
2457 |
- |
2528 |
= |
-71 |
* |
(66 |
/ |
235)
|
= |
-19.94042547 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for MacArthur Park Elementary School for the Visual and Performing Arts
|
-55 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-53
|
-51
|
-60
|
-53
|
-55
|
-272.0 |
-54.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -63.4
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:
