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 |
949521 |
2413 |
- |
2436 |
= |
-23 |
* |
(68 |
/ |
204)
|
= |
-7.66666666 |
| 4 |
949522 |
2414 |
- |
2485 |
= |
-71 |
* |
(51 |
/ |
204)
|
= |
-17.75 |
| 5 |
949525 |
2480 |
- |
2528 |
= |
-48 |
* |
(38 |
/ |
204)
|
= |
-8.94117643 |
| 6 |
949526 |
2543 |
- |
2552 |
= |
-9 |
* |
(47 |
/ |
204)
|
= |
-2.0735294 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Robert Hill Lane Elementary
|
-36 |
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 |
30035 |
2428 |
- |
2436 |
= |
-8 |
* |
(49 |
/ |
202)
|
= |
-1.94059406 |
| 4 |
30037 |
2449 |
- |
2485 |
= |
-36 |
* |
(65 |
/ |
202)
|
= |
-11.58415841 |
| 5 |
30038 |
2480 |
- |
2528 |
= |
-48 |
* |
(51 |
/ |
202)
|
= |
-12.11881186 |
| 6 |
30041 |
2530 |
- |
2552 |
= |
-22 |
* |
(37 |
/ |
202)
|
= |
-4.02970295 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Robert Hill Lane Elementary
|
-30 |
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 |
30600 |
2477 |
- |
2436 |
= |
41 |
* |
(43 |
/ |
199)
|
= |
8.85929648 |
| 4 |
30601 |
2472 |
- |
2485 |
= |
-13 |
* |
(48 |
/ |
199)
|
= |
-3.13567839 |
| 5 |
30604 |
2511 |
- |
2528 |
= |
-17 |
* |
(62 |
/ |
199)
|
= |
-5.2964824 |
| 6 |
30606 |
2519 |
- |
2552 |
= |
-33 |
* |
(46 |
/ |
199)
|
= |
-7.62814067 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Robert Hill Lane Elementary
|
-7 |
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 |
30650 |
2476 |
- |
2436 |
= |
40 |
* |
(51 |
/ |
192)
|
= |
10.625 |
| 4 |
30653 |
2501 |
- |
2485 |
= |
16 |
* |
(48 |
/ |
192)
|
= |
4.0 |
| 5 |
30654 |
2492 |
- |
2528 |
= |
-36 |
* |
(41 |
/ |
192)
|
= |
-7.68749998 |
| 6 |
30657 |
2538 |
- |
2552 |
= |
-14 |
* |
(52 |
/ |
192)
|
= |
-3.79166666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Robert Hill Lane Elementary
|
3 |
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 |
30827 |
2474 |
- |
2436 |
= |
38 |
* |
(54 |
/ |
184)
|
= |
11.15217388 |
| 4 |
30828 |
2472 |
- |
2485 |
= |
-13 |
* |
(48 |
/ |
184)
|
= |
-3.39130435 |
| 5 |
30829 |
2522 |
- |
2528 |
= |
-6 |
* |
(41 |
/ |
184)
|
= |
-1.33695652 |
| 6 |
30830 |
2516 |
- |
2552 |
= |
-36 |
* |
(41 |
/ |
184)
|
= |
-8.0217391 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Robert Hill Lane Elementary
|
-2 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-36
|
-30
|
-7
|
3
|
-2
|
-72.0 |
-14.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 36.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.4
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:
