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 |
953485 |
2394 |
- |
2436 |
= |
-42 |
* |
(93 |
/ |
282)
|
= |
-13.85106383 |
| 4 |
953486 |
2422 |
- |
2485 |
= |
-63 |
* |
(86 |
/ |
282)
|
= |
-19.21276596 |
| 5 |
953489 |
2456 |
- |
2528 |
= |
-72 |
* |
(103 |
/ |
282)
|
= |
-26.29787227 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Saticoy Elementary
|
-59 |
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 |
30166 |
2398 |
- |
2436 |
= |
-38 |
* |
(87 |
/ |
265)
|
= |
-12.47547167 |
| 4 |
30169 |
2433 |
- |
2485 |
= |
-52 |
* |
(93 |
/ |
265)
|
= |
-18.24905659 |
| 5 |
30170 |
2451 |
- |
2528 |
= |
-77 |
* |
(85 |
/ |
265)
|
= |
-24.69811313 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Saticoy Elementary
|
-55 |
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 |
30732 |
2404 |
- |
2436 |
= |
-32 |
* |
(95 |
/ |
264)
|
= |
-11.51515149 |
| 4 |
30734 |
2422 |
- |
2485 |
= |
-63 |
* |
(85 |
/ |
264)
|
= |
-20.28409085 |
| 5 |
30735 |
2442 |
- |
2528 |
= |
-86 |
* |
(84 |
/ |
264)
|
= |
-27.36363635 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Saticoy Elementary
|
-59 |
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 |
30778 |
2408 |
- |
2436 |
= |
-28 |
* |
(87 |
/ |
255)
|
= |
-9.55294116 |
| 4 |
30780 |
2440 |
- |
2485 |
= |
-45 |
* |
(91 |
/ |
255)
|
= |
-16.05882353 |
| 5 |
30782 |
2442 |
- |
2528 |
= |
-86 |
* |
(77 |
/ |
255)
|
= |
-25.96862742 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Saticoy Elementary
|
-52 |
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 |
30954 |
2391 |
- |
2436 |
= |
-45 |
* |
(93 |
/ |
267)
|
= |
-15.67415727 |
| 4 |
30955 |
2434 |
- |
2485 |
= |
-51 |
* |
(87 |
/ |
267)
|
= |
-16.6179775 |
| 5 |
30956 |
2459 |
- |
2528 |
= |
-69 |
* |
(87 |
/ |
267)
|
= |
-22.48314602 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Saticoy Elementary
|
-55 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-59
|
-55
|
-59
|
-52
|
-55
|
-280.0 |
-56.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.0
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:
