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 |
239301 |
2328 |
- |
2436 |
= |
-108 |
* |
(67 |
/ |
239)
|
= |
-30.27615062 |
| 4 |
239302 |
2382 |
- |
2485 |
= |
-103 |
* |
(66 |
/ |
239)
|
= |
-28.44351458 |
| 5 |
239305 |
2398 |
- |
2528 |
= |
-130 |
* |
(58 |
/ |
239)
|
= |
-31.54811712 |
| 6 |
239307 |
2453 |
- |
2552 |
= |
-99 |
* |
(48 |
/ |
239)
|
= |
-19.88284518 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Martin Luther King, Jr. Elementary
|
-110 |
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 |
7017 |
2373 |
- |
2436 |
= |
-63 |
* |
(61 |
/ |
237)
|
= |
-16.21518986 |
| 4 |
7020 |
2370 |
- |
2485 |
= |
-115 |
* |
(62 |
/ |
237)
|
= |
-30.08438813 |
| 5 |
7021 |
2426 |
- |
2528 |
= |
-102 |
* |
(63 |
/ |
237)
|
= |
-27.11392397 |
| 6 |
7024 |
2410 |
- |
2552 |
= |
-142 |
* |
(51 |
/ |
237)
|
= |
-30.55696197 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Martin Luther King, Jr. Elementary
|
-104 |
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 |
7230 |
2350 |
- |
2436 |
= |
-86 |
* |
(71 |
/ |
250)
|
= |
-24.424 |
| 4 |
7232 |
2378 |
- |
2485 |
= |
-107 |
* |
(64 |
/ |
250)
|
= |
-27.392 |
| 5 |
7233 |
2355 |
- |
2528 |
= |
-173 |
* |
(59 |
/ |
250)
|
= |
-40.828 |
| 6 |
7236 |
2384 |
- |
2552 |
= |
-168 |
* |
(56 |
/ |
250)
|
= |
-37.632 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Martin Luther King, Jr. Elementary
|
-130 |
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 |
7248 |
2331 |
- |
2436 |
= |
-105 |
* |
(67 |
/ |
239)
|
= |
-29.43514644 |
| 4 |
7250 |
2347 |
- |
2485 |
= |
-138 |
* |
(63 |
/ |
239)
|
= |
-36.37656899 |
| 5 |
7252 |
2347 |
- |
2528 |
= |
-181 |
* |
(58 |
/ |
239)
|
= |
-43.92468614 |
| 6 |
7254 |
2358 |
- |
2552 |
= |
-194 |
* |
(51 |
/ |
239)
|
= |
-41.39748947 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Martin Luther King, Jr. Elementary
|
-151 |
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 |
7298 |
2328 |
- |
2436 |
= |
-108 |
* |
(69 |
/ |
249)
|
= |
-29.92771076 |
| 4 |
7299 |
2365 |
- |
2485 |
= |
-120 |
* |
(66 |
/ |
249)
|
= |
-31.8072288 |
| 5 |
7300 |
2374 |
- |
2528 |
= |
-154 |
* |
(54 |
/ |
249)
|
= |
-33.39759023 |
| 6 |
7301 |
2409 |
- |
2552 |
= |
-143 |
* |
(60 |
/ |
249)
|
= |
-34.45783127 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Martin Luther King, Jr. Elementary
|
-130 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-110
|
-104
|
-130
|
-151
|
-130
|
-625.0 |
-125.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -71.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -179.0
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:
