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 |
888569 |
2385 |
- |
2436 |
= |
-51 |
* |
(49 |
/ |
144)
|
= |
-17.35416663 |
| 4 |
888570 |
2412 |
- |
2485 |
= |
-73 |
* |
(46 |
/ |
144)
|
= |
-23.31944441 |
| 5 |
888573 |
2422 |
- |
2528 |
= |
-106 |
* |
(49 |
/ |
144)
|
= |
-36.06944436 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Cimarron Avenue Elementary
|
-77 |
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 |
28094 |
2412 |
- |
2436 |
= |
-24 |
* |
(55 |
/ |
149)
|
= |
-8.85906038 |
| 4 |
28097 |
2410 |
- |
2485 |
= |
-75 |
* |
(49 |
/ |
149)
|
= |
-24.6644295 |
| 5 |
28098 |
2430 |
- |
2528 |
= |
-98 |
* |
(45 |
/ |
149)
|
= |
-29.59731536 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Cimarron Avenue Elementary
|
-63 |
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 |
28661 |
2418 |
- |
2436 |
= |
-18 |
* |
(47 |
/ |
141)
|
= |
-5.99999999 |
| 4 |
28663 |
2408 |
- |
2485 |
= |
-77 |
* |
(48 |
/ |
141)
|
= |
-26.21276589 |
| 5 |
28665 |
2411 |
- |
2528 |
= |
-117 |
* |
(46 |
/ |
141)
|
= |
-38.17021268 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Cimarron Avenue Elementary
|
-70 |
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 |
28710 |
2415 |
- |
2436 |
= |
-21 |
* |
(41 |
/ |
131)
|
= |
-6.57251908 |
| 4 |
28712 |
2419 |
- |
2485 |
= |
-66 |
* |
(49 |
/ |
131)
|
= |
-24.68702287 |
| 5 |
28714 |
2432 |
- |
2528 |
= |
-96 |
* |
(41 |
/ |
131)
|
= |
-30.0458015 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Cimarron Avenue Elementary
|
-61 |
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 |
28890 |
2395 |
- |
2436 |
= |
-41 |
* |
(49 |
/ |
137)
|
= |
-14.66423355 |
| 4 |
28891 |
2406 |
- |
2485 |
= |
-79 |
* |
(42 |
/ |
137)
|
= |
-24.2189781 |
| 5 |
28892 |
2448 |
- |
2528 |
= |
-80 |
* |
(46 |
/ |
137)
|
= |
-26.86131384 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Cimarron Avenue Elementary
|
-66 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-77
|
-63
|
-70
|
-61
|
-66
|
-337.0 |
-67.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -49.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.4
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:
