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 |
804644 |
2395 |
- |
2436 |
= |
-41 |
* |
(85 |
/ |
260)
|
= |
-13.40384612 |
| 4 |
804645 |
2438 |
- |
2485 |
= |
-47 |
* |
(97 |
/ |
260)
|
= |
-17.53461538 |
| 5 |
804648 |
2470 |
- |
2528 |
= |
-58 |
* |
(78 |
/ |
260)
|
= |
-17.4 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Huntington Park Elementary
|
-48 |
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 |
25174 |
2378 |
- |
2436 |
= |
-58 |
* |
(75 |
/ |
252)
|
= |
-17.26190473 |
| 4 |
25177 |
2433 |
- |
2485 |
= |
-52 |
* |
(83 |
/ |
252)
|
= |
-17.12698411 |
| 5 |
25179 |
2446 |
- |
2528 |
= |
-82 |
* |
(94 |
/ |
252)
|
= |
-30.58730159 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Huntington Park Elementary
|
-65 |
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 |
25671 |
2398 |
- |
2436 |
= |
-38 |
* |
(66 |
/ |
225)
|
= |
-11.14666665 |
| 4 |
25674 |
2444 |
- |
2485 |
= |
-41 |
* |
(76 |
/ |
225)
|
= |
-13.84888886 |
| 5 |
25676 |
2489 |
- |
2528 |
= |
-39 |
* |
(83 |
/ |
225)
|
= |
-14.38666663 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Huntington Park Elementary
|
-39 |
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 |
25698 |
2425 |
- |
2436 |
= |
-11 |
* |
(69 |
/ |
210)
|
= |
-3.61428571 |
| 4 |
25700 |
2435 |
- |
2485 |
= |
-50 |
* |
(64 |
/ |
210)
|
= |
-15.2380952 |
| 5 |
25702 |
2442 |
- |
2528 |
= |
-86 |
* |
(77 |
/ |
210)
|
= |
-31.53333328 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Huntington Park Elementary
|
-50 |
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 |
25860 |
2453 |
- |
2436 |
= |
17 |
* |
(68 |
/ |
199)
|
= |
5.80904521 |
| 4 |
25861 |
2445 |
- |
2485 |
= |
-40 |
* |
(71 |
/ |
199)
|
= |
-14.27135676 |
| 5 |
25862 |
2462 |
- |
2528 |
= |
-66 |
* |
(60 |
/ |
199)
|
= |
-19.89949744 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Huntington Park Elementary
|
-28 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-48
|
-65
|
-39
|
-50
|
-28
|
-230.0 |
-46.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -7.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.0
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:
