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 |
323915 |
2370 |
- |
2436 |
= |
-66 |
* |
(118 |
/ |
408)
|
= |
-19.08823528 |
| 4 |
323918 |
2408 |
- |
2485 |
= |
-77 |
* |
(111 |
/ |
408)
|
= |
-20.94852937 |
| 5 |
323919 |
2432 |
- |
2528 |
= |
-96 |
* |
(96 |
/ |
408)
|
= |
-22.58823523 |
| 6 |
323922 |
2428 |
- |
2552 |
= |
-124 |
* |
(83 |
/ |
408)
|
= |
-25.22549013 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ericson Elementary
|
-88 |
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 |
9663 |
2397 |
- |
2436 |
= |
-39 |
* |
(95 |
/ |
368)
|
= |
-10.06793475 |
| 4 |
9665 |
2400 |
- |
2485 |
= |
-85 |
* |
(85 |
/ |
368)
|
= |
-19.6331521 |
| 5 |
9668 |
2442 |
- |
2528 |
= |
-86 |
* |
(98 |
/ |
368)
|
= |
-22.90217384 |
| 6 |
9669 |
2458 |
- |
2552 |
= |
-94 |
* |
(90 |
/ |
368)
|
= |
-22.9891304 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ericson Elementary
|
-76 |
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 |
9992 |
2432 |
- |
2436 |
= |
-4 |
* |
(105 |
/ |
367)
|
= |
-1.14441417 |
| 4 |
9993 |
2448 |
- |
2485 |
= |
-37 |
* |
(89 |
/ |
367)
|
= |
-8.97275201 |
| 5 |
9996 |
2444 |
- |
2528 |
= |
-84 |
* |
(87 |
/ |
367)
|
= |
-19.91280648 |
| 6 |
9998 |
2478 |
- |
2552 |
= |
-74 |
* |
(86 |
/ |
367)
|
= |
-17.34059945 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ericson Elementary
|
-47 |
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 |
10009 |
2435 |
- |
2436 |
= |
-1 |
* |
(82 |
/ |
349)
|
= |
-0.23495702 |
| 4 |
10012 |
2478 |
- |
2485 |
= |
-7 |
* |
(99 |
/ |
349)
|
= |
-1.98567335 |
| 5 |
10013 |
2437 |
- |
2528 |
= |
-91 |
* |
(85 |
/ |
349)
|
= |
-22.16332373 |
| 6 |
10015 |
2470 |
- |
2552 |
= |
-82 |
* |
(83 |
/ |
349)
|
= |
-19.50143262 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ericson Elementary
|
-44 |
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 |
10090 |
2435 |
- |
2436 |
= |
-1 |
* |
(106 |
/ |
365)
|
= |
-0.29041096 |
| 4 |
10091 |
2482 |
- |
2485 |
= |
-3 |
* |
(74 |
/ |
365)
|
= |
-0.60821918 |
| 5 |
10092 |
2469 |
- |
2528 |
= |
-59 |
* |
(97 |
/ |
365)
|
= |
-15.67945202 |
| 6 |
10093 |
2474 |
- |
2552 |
= |
-78 |
* |
(88 |
/ |
365)
|
= |
-18.80547942 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ericson Elementary
|
-35 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-88
|
-76
|
-47
|
-44
|
-35
|
-290.0 |
-58.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -124.0
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:
