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 |
794168 |
2385 |
- |
2436 |
= |
-51 |
* |
(74 |
/ |
210)
|
= |
-17.97142855 |
| 4 |
794169 |
2406 |
- |
2485 |
= |
-79 |
* |
(73 |
/ |
210)
|
= |
-27.46190471 |
| 5 |
794172 |
2451 |
- |
2528 |
= |
-77 |
* |
(63 |
/ |
210)
|
= |
-23.1 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Charles White Elementary
|
-69 |
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 |
24818 |
2374 |
- |
2436 |
= |
-62 |
* |
(62 |
/ |
209)
|
= |
-18.39234445 |
| 4 |
24820 |
2389 |
- |
2485 |
= |
-96 |
* |
(77 |
/ |
209)
|
= |
-35.36842099 |
| 5 |
24822 |
2417 |
- |
2528 |
= |
-111 |
* |
(70 |
/ |
209)
|
= |
-37.17703342 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Charles White Elementary
|
-91 |
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 |
25315 |
2348 |
- |
2436 |
= |
-88 |
* |
(73 |
/ |
202)
|
= |
-31.80198014 |
| 4 |
25318 |
2403 |
- |
2485 |
= |
-82 |
* |
(60 |
/ |
202)
|
= |
-24.35643556 |
| 5 |
25320 |
2437 |
- |
2528 |
= |
-91 |
* |
(69 |
/ |
202)
|
= |
-31.08415838 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Charles White Elementary
|
-87 |
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 |
25342 |
2375 |
- |
2436 |
= |
-61 |
* |
(48 |
/ |
178)
|
= |
-16.44943818 |
| 4 |
25344 |
2376 |
- |
2485 |
= |
-109 |
* |
(71 |
/ |
178)
|
= |
-43.47752804 |
| 5 |
25346 |
2446 |
- |
2528 |
= |
-82 |
* |
(59 |
/ |
178)
|
= |
-27.17977527 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Charles White Elementary
|
-87 |
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 |
25504 |
2370 |
- |
2436 |
= |
-66 |
* |
(75 |
/ |
198)
|
= |
-24.99999995 |
| 4 |
25505 |
2410 |
- |
2485 |
= |
-75 |
* |
(52 |
/ |
198)
|
= |
-19.69696965 |
| 5 |
25506 |
2406 |
- |
2528 |
= |
-122 |
* |
(71 |
/ |
198)
|
= |
-43.74747468 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Charles White Elementary
|
-88 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-69
|
-91
|
-87
|
-87
|
-88
|
-422.0 |
-84.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -60.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -108.4
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:
