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 |
822507 |
2408 |
- |
2436 |
= |
-28 |
* |
(78 |
/ |
210)
|
= |
-10.39999999 |
| 4 |
822508 |
2435 |
- |
2485 |
= |
-50 |
* |
(65 |
/ |
210)
|
= |
-15.47619045 |
| 5 |
822511 |
2459 |
- |
2528 |
= |
-69 |
* |
(67 |
/ |
210)
|
= |
-22.01428571 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ambassador School-Global Education
|
-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 |
25743 |
2397 |
- |
2436 |
= |
-39 |
* |
(66 |
/ |
205)
|
= |
-12.55609754 |
| 4 |
25744 |
2457 |
- |
2485 |
= |
-28 |
* |
(76 |
/ |
205)
|
= |
-10.3804878 |
| 5 |
25746 |
2481 |
- |
2528 |
= |
-47 |
* |
(63 |
/ |
205)
|
= |
-14.44390243 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ambassador School-Global Education
|
-37 |
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 |
26222 |
2419 |
- |
2436 |
= |
-17 |
* |
(61 |
/ |
203)
|
= |
-5.10837437 |
| 4 |
26223 |
2399 |
- |
2485 |
= |
-86 |
* |
(67 |
/ |
203)
|
= |
-28.38423645 |
| 5 |
26225 |
2477 |
- |
2528 |
= |
-51 |
* |
(75 |
/ |
203)
|
= |
-18.84236453 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ambassador School-Global Education
|
-52 |
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 |
26192 |
2387 |
- |
2436 |
= |
-49 |
* |
(55 |
/ |
186)
|
= |
-14.48924728 |
| 4 |
26194 |
2437 |
- |
2485 |
= |
-48 |
* |
(67 |
/ |
186)
|
= |
-17.29032254 |
| 5 |
26196 |
2440 |
- |
2528 |
= |
-88 |
* |
(64 |
/ |
186)
|
= |
-30.27956985 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ambassador School-Global Education
|
-62 |
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 |
26326 |
2398 |
- |
2436 |
= |
-38 |
* |
(45 |
/ |
175)
|
= |
-9.77142857 |
| 4 |
26327 |
2410 |
- |
2485 |
= |
-75 |
* |
(60 |
/ |
175)
|
= |
-25.71428565 |
| 5 |
26328 |
2461 |
- |
2528 |
= |
-67 |
* |
(70 |
/ |
175)
|
= |
-26.8 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ambassador School-Global Education
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-48
|
-37
|
-52
|
-62
|
-62
|
-261.0 |
-52.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.2
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:
