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 |
950604 |
2365 |
- |
2436 |
= |
-71 |
* |
(96 |
/ |
279)
|
= |
-24.43010749 |
| 4 |
950607 |
2389 |
- |
2485 |
= |
-96 |
* |
(87 |
/ |
279)
|
= |
-29.93548378 |
| 5 |
950608 |
2427 |
- |
2528 |
= |
-101 |
* |
(96 |
/ |
279)
|
= |
-34.75268812 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rosemont Avenue Elementary
|
-89 |
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 |
30071 |
2381 |
- |
2436 |
= |
-55 |
* |
(93 |
/ |
282)
|
= |
-18.13829787 |
| 4 |
30072 |
2403 |
- |
2485 |
= |
-82 |
* |
(97 |
/ |
282)
|
= |
-28.20567374 |
| 5 |
30074 |
2396 |
- |
2528 |
= |
-132 |
* |
(92 |
/ |
282)
|
= |
-43.06382969 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rosemont Avenue Elementary
|
-89 |
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 |
30636 |
2367 |
- |
2436 |
= |
-69 |
* |
(77 |
/ |
255)
|
= |
-20.8352941 |
| 4 |
30638 |
2410 |
- |
2485 |
= |
-75 |
* |
(84 |
/ |
255)
|
= |
-24.7058823 |
| 5 |
30640 |
2423 |
- |
2528 |
= |
-105 |
* |
(94 |
/ |
255)
|
= |
-38.70588225 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rosemont Avenue Elementary
|
-84 |
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 |
30687 |
2366 |
- |
2436 |
= |
-70 |
* |
(70 |
/ |
227)
|
= |
-21.58590308 |
| 4 |
30688 |
2403 |
- |
2485 |
= |
-82 |
* |
(73 |
/ |
227)
|
= |
-26.37004405 |
| 5 |
30691 |
2413 |
- |
2528 |
= |
-115 |
* |
(84 |
/ |
227)
|
= |
-42.55506598 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rosemont Avenue Elementary
|
-91 |
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 |
30862 |
2426 |
- |
2436 |
= |
-10 |
* |
(54 |
/ |
196)
|
= |
-2.75510204 |
| 4 |
30863 |
2431 |
- |
2485 |
= |
-54 |
* |
(70 |
/ |
196)
|
= |
-19.28571428 |
| 5 |
30864 |
2449 |
- |
2528 |
= |
-79 |
* |
(72 |
/ |
196)
|
= |
-29.0204081 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rosemont Avenue Elementary
|
-51 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-89
|
-89
|
-84
|
-91
|
-51
|
-404.0 |
-80.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.8
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:
