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 |
880444 |
2398 |
- |
2436 |
= |
-38 |
* |
(53 |
/ |
186)
|
= |
-10.82795697 |
| 4 |
880445 |
2441 |
- |
2485 |
= |
-44 |
* |
(38 |
/ |
186)
|
= |
-8.9892473 |
| 5 |
880448 |
2446 |
- |
2528 |
= |
-82 |
* |
(49 |
/ |
186)
|
= |
-21.60215052 |
| 6 |
880449 |
2465 |
- |
2552 |
= |
-87 |
* |
(46 |
/ |
186)
|
= |
-21.51612895 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bushnell Way Elementary
|
-63 |
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 |
27858 |
2357 |
- |
2436 |
= |
-79 |
* |
(45 |
/ |
170)
|
= |
-20.91176468 |
| 4 |
27860 |
2455 |
- |
2485 |
= |
-30 |
* |
(51 |
/ |
170)
|
= |
-9.0 |
| 5 |
27863 |
2462 |
- |
2528 |
= |
-66 |
* |
(38 |
/ |
170)
|
= |
-14.75294113 |
| 6 |
27865 |
2454 |
- |
2552 |
= |
-98 |
* |
(36 |
/ |
170)
|
= |
-20.75294109 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bushnell Way Elementary
|
-65 |
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 |
28427 |
2376 |
- |
2436 |
= |
-60 |
* |
(32 |
/ |
117)
|
= |
-16.41025638 |
| 4 |
28429 |
2433 |
- |
2485 |
= |
-52 |
* |
(39 |
/ |
117)
|
= |
-17.33333332 |
| 5 |
28432 |
2441 |
- |
2528 |
= |
-87 |
* |
(46 |
/ |
117)
|
= |
-34.20512819 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bushnell Way Elementary
|
-68 |
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 |
28479 |
2396 |
- |
2436 |
= |
-40 |
* |
(29 |
/ |
97)
|
= |
-11.95876288 |
| 4 |
28481 |
2419 |
- |
2485 |
= |
-66 |
* |
(32 |
/ |
97)
|
= |
-21.77319586 |
| 5 |
28483 |
2447 |
- |
2528 |
= |
-81 |
* |
(36 |
/ |
97)
|
= |
-30.06185562 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bushnell Way Elementary
|
-64 |
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 |
28658 |
2367 |
- |
2436 |
= |
-69 |
* |
(30 |
/ |
89)
|
= |
-23.25842692 |
| 4 |
28659 |
2415 |
- |
2485 |
= |
-70 |
* |
(29 |
/ |
89)
|
= |
-22.80898872 |
| 5 |
28660 |
2437 |
- |
2528 |
= |
-91 |
* |
(30 |
/ |
89)
|
= |
-30.67415724 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bushnell Way Elementary
|
-77 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-63
|
-65
|
-68
|
-64
|
-77
|
-337.0 |
-67.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.4
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:
