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 |
2246630 |
2368 |
- |
2436 |
= |
-68 |
* |
(87 |
/ |
233)
|
= |
-25.39055788 |
| 4 |
2246631 |
2440 |
- |
2485 |
= |
-45 |
* |
(71 |
/ |
233)
|
= |
-13.71244635 |
| 5 |
2246634 |
2481 |
- |
2528 |
= |
-47 |
* |
(75 |
/ |
233)
|
= |
-15.12875536 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Encanto Elementary
|
-54 |
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 |
68957 |
2436 |
- |
2436 |
= |
0 |
* |
(78 |
/ |
227)
|
= |
0.0 |
| 4 |
68959 |
2441 |
- |
2485 |
= |
-44 |
* |
(77 |
/ |
227)
|
= |
-14.92511011 |
| 5 |
68962 |
2455 |
- |
2528 |
= |
-73 |
* |
(72 |
/ |
227)
|
= |
-23.15418497 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Encanto Elementary
|
-38 |
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 |
70791 |
2418 |
- |
2436 |
= |
-18 |
* |
(73 |
/ |
222)
|
= |
-5.9189189 |
| 4 |
70792 |
2473 |
- |
2485 |
= |
-12 |
* |
(76 |
/ |
222)
|
= |
-4.1081081 |
| 5 |
70794 |
2442 |
- |
2528 |
= |
-86 |
* |
(73 |
/ |
222)
|
= |
-28.27927921 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Encanto Elementary
|
-38 |
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 |
70936 |
2390 |
- |
2436 |
= |
-46 |
* |
(67 |
/ |
218)
|
= |
-14.13761465 |
| 4 |
70937 |
2473 |
- |
2485 |
= |
-12 |
* |
(76 |
/ |
218)
|
= |
-4.18348624 |
| 5 |
70940 |
2461 |
- |
2528 |
= |
-67 |
* |
(75 |
/ |
218)
|
= |
-23.0504587 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Encanto Elementary
|
-41 |
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 |
71423 |
2388 |
- |
2436 |
= |
-48 |
* |
(82 |
/ |
239)
|
= |
-16.46861923 |
| 4 |
71424 |
2448 |
- |
2485 |
= |
-37 |
* |
(75 |
/ |
239)
|
= |
-11.61087865 |
| 5 |
71425 |
2482 |
- |
2528 |
= |
-46 |
* |
(82 |
/ |
239)
|
= |
-15.78242676 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Encanto Elementary
|
-44 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-54
|
-38
|
-38
|
-41
|
-44
|
-215.0 |
-43.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.0
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:
