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 |
203813 |
2425 |
- |
2436 |
= |
-11 |
* |
(102 |
/ |
347)
|
= |
-3.23342939 |
| 4 |
203816 |
2461 |
- |
2485 |
= |
-24 |
* |
(115 |
/ |
347)
|
= |
-7.95389047 |
| 5 |
203817 |
2487 |
- |
2528 |
= |
-41 |
* |
(130 |
/ |
347)
|
= |
-15.36023053 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Delta View Elementary
|
-27 |
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 |
6054 |
2433 |
- |
2436 |
= |
-3 |
* |
(108 |
/ |
329)
|
= |
-0.98480243 |
| 4 |
6055 |
2480 |
- |
2485 |
= |
-5 |
* |
(107 |
/ |
329)
|
= |
-1.62613982 |
| 5 |
6058 |
2472 |
- |
2528 |
= |
-56 |
* |
(114 |
/ |
329)
|
= |
-19.4042553 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Delta View Elementary
|
-22 |
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 |
6229 |
2442 |
- |
2436 |
= |
6 |
* |
(80 |
/ |
296)
|
= |
1.62162162 |
| 4 |
6231 |
2472 |
- |
2485 |
= |
-13 |
* |
(104 |
/ |
296)
|
= |
-4.56756756 |
| 5 |
6233 |
2480 |
- |
2528 |
= |
-48 |
* |
(112 |
/ |
296)
|
= |
-18.16216214 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Delta View Elementary
|
-21 |
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 |
6220 |
2421 |
- |
2436 |
= |
-15 |
* |
(106 |
/ |
289)
|
= |
-5.50173009 |
| 4 |
6221 |
2456 |
- |
2485 |
= |
-29 |
* |
(83 |
/ |
289)
|
= |
-8.3287197 |
| 5 |
6224 |
2485 |
- |
2528 |
= |
-43 |
* |
(100 |
/ |
289)
|
= |
-14.87889272 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Delta View Elementary
|
-29 |
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 |
6281 |
2433 |
- |
2436 |
= |
-3 |
* |
(108 |
/ |
297)
|
= |
-1.09090909 |
| 4 |
6282 |
2451 |
- |
2485 |
= |
-34 |
* |
(101 |
/ |
297)
|
= |
-11.56228956 |
| 5 |
6283 |
2463 |
- |
2528 |
= |
-65 |
* |
(88 |
/ |
297)
|
= |
-19.25925924 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Delta View Elementary
|
-32 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-27
|
-22
|
-21
|
-29
|
-32
|
-131.0 |
-26.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -38.2
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:
