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 |
888331 |
2412 |
- |
2436 |
= |
-24 |
* |
(114 |
/ |
281)
|
= |
-9.7366548 |
| 4 |
888332 |
2447 |
- |
2485 |
= |
-38 |
* |
(105 |
/ |
281)
|
= |
-14.19928824 |
| 5 |
888335 |
2468 |
- |
2528 |
= |
-60 |
* |
(62 |
/ |
281)
|
= |
-13.23843414 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Cienega Elementary
|
-37 |
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 |
28087 |
2430 |
- |
2436 |
= |
-6 |
* |
(106 |
/ |
274)
|
= |
-2.32116788 |
| 4 |
28089 |
2438 |
- |
2485 |
= |
-47 |
* |
(102 |
/ |
274)
|
= |
-17.49635033 |
| 5 |
28090 |
2462 |
- |
2528 |
= |
-66 |
* |
(66 |
/ |
274)
|
= |
-15.89781019 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Cienega Elementary
|
-36 |
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 |
28653 |
2435 |
- |
2436 |
= |
-1 |
* |
(106 |
/ |
266)
|
= |
-0.39849624 |
| 4 |
28655 |
2446 |
- |
2485 |
= |
-39 |
* |
(101 |
/ |
266)
|
= |
-14.80827067 |
| 5 |
28658 |
2436 |
- |
2528 |
= |
-92 |
* |
(59 |
/ |
266)
|
= |
-20.40601501 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Cienega Elementary
|
-36 |
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 |
28703 |
2419 |
- |
2436 |
= |
-17 |
* |
(83 |
/ |
238)
|
= |
-5.92857142 |
| 4 |
28704 |
2444 |
- |
2485 |
= |
-41 |
* |
(98 |
/ |
238)
|
= |
-16.88235291 |
| 5 |
28707 |
2463 |
- |
2528 |
= |
-65 |
* |
(57 |
/ |
238)
|
= |
-15.56722687 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Cienega Elementary
|
-38 |
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 |
28882 |
2425 |
- |
2436 |
= |
-11 |
* |
(103 |
/ |
245)
|
= |
-4.62448979 |
| 4 |
28883 |
2430 |
- |
2485 |
= |
-55 |
* |
(82 |
/ |
245)
|
= |
-18.40816324 |
| 5 |
28884 |
2476 |
- |
2528 |
= |
-52 |
* |
(60 |
/ |
245)
|
= |
-12.73469387 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Cienega Elementary
|
-36 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-37
|
-36
|
-36
|
-38
|
-36
|
-183.0 |
-36.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -36.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.6
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:
