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 |
974089 |
2333 |
- |
2436 |
= |
-103 |
* |
(71 |
/ |
189)
|
= |
-38.69312163 |
| 4 |
974090 |
2380 |
- |
2485 |
= |
-105 |
* |
(56 |
/ |
189)
|
= |
-31.11111108 |
| 5 |
974092 |
2371 |
- |
2528 |
= |
-157 |
* |
(62 |
/ |
189)
|
= |
-51.5026455 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Weigand Avenue Elementary
|
-121 |
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 |
30827 |
2386 |
- |
2436 |
= |
-50 |
* |
(67 |
/ |
196)
|
= |
-17.0918367 |
| 4 |
30828 |
2363 |
- |
2485 |
= |
-122 |
* |
(74 |
/ |
196)
|
= |
-46.06122444 |
| 5 |
30831 |
2390 |
- |
2528 |
= |
-138 |
* |
(55 |
/ |
196)
|
= |
-38.72448967 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Weigand Avenue Elementary
|
-102 |
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 |
31391 |
2379 |
- |
2436 |
= |
-57 |
* |
(72 |
/ |
203)
|
= |
-20.21674871 |
| 4 |
31393 |
2388 |
- |
2485 |
= |
-97 |
* |
(69 |
/ |
203)
|
= |
-32.97044327 |
| 5 |
31395 |
2397 |
- |
2528 |
= |
-131 |
* |
(62 |
/ |
203)
|
= |
-40.00985219 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Weigand Avenue Elementary
|
-93 |
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 |
31438 |
2386 |
- |
2436 |
= |
-50 |
* |
(68 |
/ |
211)
|
= |
-16.11374405 |
| 4 |
31441 |
2413 |
- |
2485 |
= |
-72 |
* |
(72 |
/ |
211)
|
= |
-24.56872034 |
| 5 |
31442 |
2455 |
- |
2528 |
= |
-73 |
* |
(71 |
/ |
211)
|
= |
-24.56398097 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Weigand Avenue Elementary
|
-65 |
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 |
31616 |
2373 |
- |
2436 |
= |
-63 |
* |
(63 |
/ |
199)
|
= |
-19.94472358 |
| 4 |
31617 |
2418 |
- |
2485 |
= |
-67 |
* |
(66 |
/ |
199)
|
= |
-22.2211055 |
| 5 |
31618 |
2435 |
- |
2528 |
= |
-93 |
* |
(70 |
/ |
199)
|
= |
-32.71356775 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Weigand Avenue Elementary
|
-75 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-121
|
-102
|
-93
|
-65
|
-75
|
-456.0 |
-91.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -157.2
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:
