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 |
869902 |
2375 |
- |
2436 |
= |
-61 |
* |
(119 |
/ |
399)
|
= |
-18.19298245 |
| 4 |
869903 |
2422 |
- |
2485 |
= |
-63 |
* |
(140 |
/ |
399)
|
= |
-22.1052631 |
| 5 |
869906 |
2425 |
- |
2528 |
= |
-103 |
* |
(140 |
/ |
399)
|
= |
-36.14035078 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Amestoy Elementary
|
-76 |
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 |
27517 |
2380 |
- |
2436 |
= |
-56 |
* |
(136 |
/ |
389)
|
= |
-19.57840612 |
| 4 |
27519 |
2424 |
- |
2485 |
= |
-61 |
* |
(114 |
/ |
389)
|
= |
-17.87660663 |
| 5 |
27520 |
2452 |
- |
2528 |
= |
-76 |
* |
(139 |
/ |
389)
|
= |
-27.15681233 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Amestoy 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 |
28089 |
2442 |
- |
2436 |
= |
6 |
* |
(126 |
/ |
381)
|
= |
1.98425197 |
| 4 |
28092 |
2407 |
- |
2485 |
= |
-78 |
* |
(134 |
/ |
381)
|
= |
-27.43307081 |
| 5 |
28094 |
2439 |
- |
2528 |
= |
-89 |
* |
(121 |
/ |
381)
|
= |
-28.26509179 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Amestoy Elementary
|
-54 |
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 |
28141 |
2440 |
- |
2436 |
= |
4 |
* |
(116 |
/ |
378)
|
= |
1.22751322 |
| 4 |
28142 |
2435 |
- |
2485 |
= |
-50 |
* |
(130 |
/ |
378)
|
= |
-17.19576715 |
| 5 |
28145 |
2454 |
- |
2528 |
= |
-74 |
* |
(132 |
/ |
378)
|
= |
-25.84126983 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Amestoy Elementary
|
-42 |
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 |
28320 |
2480 |
- |
2436 |
= |
44 |
* |
(110 |
/ |
368)
|
= |
13.15217389 |
| 4 |
28321 |
2444 |
- |
2485 |
= |
-41 |
* |
(121 |
/ |
368)
|
= |
-13.48097823 |
| 5 |
28322 |
2459 |
- |
2528 |
= |
-69 |
* |
(137 |
/ |
368)
|
= |
-25.68749995 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Amestoy Elementary
|
-26 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-76
|
-65
|
-54
|
-42
|
-26
|
-263.0 |
-52.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.6
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:
