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 |
885169 |
2393 |
- |
2436 |
= |
-43 |
* |
(59 |
/ |
175)
|
= |
-14.49714285 |
| 4 |
885170 |
2415 |
- |
2485 |
= |
-70 |
* |
(52 |
/ |
175)
|
= |
-20.79999999 |
| 5 |
885173 |
2476 |
- |
2528 |
= |
-52 |
* |
(64 |
/ |
175)
|
= |
-19.01714282 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Carthay Elementary Of Environmental Studies Magnet
|
-54 |
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 |
27994 |
2415 |
- |
2436 |
= |
-21 |
* |
(47 |
/ |
165)
|
= |
-5.98181816 |
| 4 |
27996 |
2452 |
- |
2485 |
= |
-33 |
* |
(65 |
/ |
165)
|
= |
-12.99999997 |
| 5 |
27999 |
2464 |
- |
2528 |
= |
-64 |
* |
(53 |
/ |
165)
|
= |
-20.55757574 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Carthay Elementary Of Environmental Studies Magnet
|
-40 |
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 |
28562 |
2425 |
- |
2436 |
= |
-11 |
* |
(65 |
/ |
179)
|
= |
-3.9944134 |
| 4 |
28563 |
2461 |
- |
2485 |
= |
-24 |
* |
(48 |
/ |
179)
|
= |
-6.43575418 |
| 5 |
28566 |
2473 |
- |
2528 |
= |
-55 |
* |
(66 |
/ |
179)
|
= |
-20.27932957 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Carthay Elementary Of Environmental Studies Magnet
|
-31 |
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 |
28613 |
2422 |
- |
2436 |
= |
-14 |
* |
(55 |
/ |
161)
|
= |
-4.78260868 |
| 4 |
28615 |
2462 |
- |
2485 |
= |
-23 |
* |
(59 |
/ |
161)
|
= |
-8.42857142 |
| 5 |
28617 |
2486 |
- |
2528 |
= |
-42 |
* |
(47 |
/ |
161)
|
= |
-12.26086953 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Carthay Elementary Of Environmental Studies Magnet
|
-25 |
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 |
28792 |
2443 |
- |
2436 |
= |
7 |
* |
(61 |
/ |
169)
|
= |
2.52662722 |
| 4 |
28793 |
2489 |
- |
2485 |
= |
4 |
* |
(52 |
/ |
169)
|
= |
1.23076923 |
| 5 |
28794 |
2493 |
- |
2528 |
= |
-35 |
* |
(56 |
/ |
169)
|
= |
-11.59763311 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Carthay Elementary Of Environmental Studies Magnet
|
-8 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-54
|
-40
|
-31
|
-25
|
-8
|
-158.0 |
-31.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.6
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:
