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 |
942767 |
2391 |
- |
2436 |
= |
-45 |
* |
(73 |
/ |
205)
|
= |
-16.0243902 |
| 4 |
942768 |
2440 |
- |
2485 |
= |
-45 |
* |
(59 |
/ |
205)
|
= |
-12.95121951 |
| 5 |
942771 |
2452 |
- |
2528 |
= |
-76 |
* |
(73 |
/ |
205)
|
= |
-27.06341456 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Palms Elementary
|
-56 |
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 |
29829 |
2406 |
- |
2436 |
= |
-30 |
* |
(59 |
/ |
188)
|
= |
-9.41489361 |
| 4 |
29830 |
2430 |
- |
2485 |
= |
-55 |
* |
(70 |
/ |
188)
|
= |
-20.47872338 |
| 5 |
29832 |
2453 |
- |
2528 |
= |
-75 |
* |
(59 |
/ |
188)
|
= |
-23.53723403 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Palms Elementary
|
-53 |
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 |
30394 |
2408 |
- |
2436 |
= |
-28 |
* |
(59 |
/ |
186)
|
= |
-8.88172043 |
| 4 |
30396 |
2431 |
- |
2485 |
= |
-54 |
* |
(57 |
/ |
186)
|
= |
-16.54838705 |
| 5 |
30398 |
2459 |
- |
2528 |
= |
-69 |
* |
(70 |
/ |
186)
|
= |
-25.96774193 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Palms Elementary
|
-51 |
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 |
30444 |
2398 |
- |
2436 |
= |
-38 |
* |
(48 |
/ |
170)
|
= |
-10.72941176 |
| 4 |
30446 |
2440 |
- |
2485 |
= |
-45 |
* |
(66 |
/ |
170)
|
= |
-17.47058823 |
| 5 |
30448 |
2448 |
- |
2528 |
= |
-80 |
* |
(56 |
/ |
170)
|
= |
-26.35294112 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Palms Elementary
|
-55 |
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 |
30620 |
2404 |
- |
2436 |
= |
-32 |
* |
(56 |
/ |
170)
|
= |
-10.54117645 |
| 4 |
30621 |
2450 |
- |
2485 |
= |
-35 |
* |
(50 |
/ |
170)
|
= |
-10.29411765 |
| 5 |
30622 |
2430 |
- |
2528 |
= |
-98 |
* |
(64 |
/ |
170)
|
= |
-36.89411762 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Palms Elementary
|
-58 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-56
|
-53
|
-51
|
-55
|
-58
|
-273.0 |
-54.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.6
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:
