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 |
2260723 |
2398 |
- |
2436 |
= |
-38 |
* |
(35 |
/ |
99)
|
= |
-13.43434341 |
| 4 |
2260726 |
2431 |
- |
2485 |
= |
-54 |
* |
(34 |
/ |
99)
|
= |
-18.54545452 |
| 5 |
2260727 |
2463 |
- |
2528 |
= |
-65 |
* |
(30 |
/ |
99)
|
= |
-19.6969697 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rolando Park Elementary
|
-52 |
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 |
69370 |
2414 |
- |
2436 |
= |
-22 |
* |
(36 |
/ |
92)
|
= |
-8.60869563 |
| 4 |
69371 |
2434 |
- |
2485 |
= |
-51 |
* |
(30 |
/ |
92)
|
= |
-16.63043476 |
| 5 |
69373 |
2463 |
- |
2528 |
= |
-65 |
* |
(26 |
/ |
92)
|
= |
-18.36956518 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rolando Park Elementary
|
-44 |
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 |
71202 |
2470 |
- |
2436 |
= |
34 |
* |
(27 |
/ |
91)
|
= |
10.08791206 |
| 4 |
71205 |
2462 |
- |
2485 |
= |
-23 |
* |
(34 |
/ |
91)
|
= |
-8.59340658 |
| 5 |
71207 |
2463 |
- |
2528 |
= |
-65 |
* |
(30 |
/ |
91)
|
= |
-21.42857139 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rolando Park Elementary
|
-20 |
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 |
71347 |
2472 |
- |
2436 |
= |
36 |
* |
(26 |
/ |
78)
|
= |
11.99999999 |
| 4 |
71349 |
2518 |
- |
2485 |
= |
33 |
* |
(22 |
/ |
78)
|
= |
9.30769231 |
| 5 |
71351 |
2493 |
- |
2528 |
= |
-35 |
* |
(30 |
/ |
78)
|
= |
-13.46153844 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rolando Park Elementary
|
8 |
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 |
71835 |
2473 |
- |
2436 |
= |
37 |
* |
(27 |
/ |
73)
|
= |
13.68493148 |
| 4 |
71836 |
2486 |
- |
2485 |
= |
1 |
* |
(24 |
/ |
73)
|
= |
0.32876712 |
| 5 |
71837 |
2528 |
- |
2528 |
= |
0 |
* |
(22 |
/ |
73)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rolando Park Elementary
|
14 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-52
|
-44
|
-20
|
8
|
14
|
-94.0 |
-18.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 68.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.8
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:
