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 |
943900 |
2405 |
- |
2436 |
= |
-31 |
* |
(92 |
/ |
287)
|
= |
-9.93728222 |
| 4 |
943903 |
2426 |
- |
2485 |
= |
-59 |
* |
(90 |
/ |
287)
|
= |
-18.50174215 |
| 5 |
943904 |
2460 |
- |
2528 |
= |
-68 |
* |
(105 |
/ |
287)
|
= |
-24.87804874 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Parthenia Academy of Arts and Technology
|
-53 |
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 |
29864 |
2418 |
- |
2436 |
= |
-18 |
* |
(122 |
/ |
296)
|
= |
-7.41891892 |
| 4 |
29866 |
2435 |
- |
2485 |
= |
-50 |
* |
(83 |
/ |
296)
|
= |
-14.02027025 |
| 5 |
29868 |
2459 |
- |
2528 |
= |
-69 |
* |
(91 |
/ |
296)
|
= |
-21.21283781 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Parthenia Academy of Arts and Technology
|
-43 |
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 |
30430 |
2408 |
- |
2436 |
= |
-28 |
* |
(95 |
/ |
293)
|
= |
-9.07849827 |
| 4 |
30432 |
2430 |
- |
2485 |
= |
-55 |
* |
(118 |
/ |
293)
|
= |
-22.15017063 |
| 5 |
30433 |
2466 |
- |
2528 |
= |
-62 |
* |
(80 |
/ |
293)
|
= |
-16.9283276 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Parthenia Academy of Arts and Technology
|
-48 |
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 |
30480 |
2423 |
- |
2436 |
= |
-13 |
* |
(90 |
/ |
290)
|
= |
-4.03448275 |
| 4 |
30482 |
2453 |
- |
2485 |
= |
-32 |
* |
(87 |
/ |
290)
|
= |
-9.6 |
| 5 |
30484 |
2469 |
- |
2528 |
= |
-59 |
* |
(113 |
/ |
290)
|
= |
-22.98965515 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Parthenia Academy of Arts and Technology
|
-37 |
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 |
30656 |
2425 |
- |
2436 |
= |
-11 |
* |
(91 |
/ |
266)
|
= |
-3.76315789 |
| 4 |
30657 |
2451 |
- |
2485 |
= |
-34 |
* |
(85 |
/ |
266)
|
= |
-10.86466165 |
| 5 |
30658 |
2474 |
- |
2528 |
= |
-54 |
* |
(90 |
/ |
266)
|
= |
-18.27067666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Parthenia Academy of Arts and Technology
|
-33 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-53
|
-43
|
-48
|
-37
|
-33
|
-214.0 |
-42.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.8
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:
