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 |
88570 |
2336 |
- |
2436 |
= |
-100 |
* |
(60 |
/ |
181)
|
= |
-33.1491712 |
| 4 |
88571 |
2393 |
- |
2485 |
= |
-92 |
* |
(61 |
/ |
181)
|
= |
-31.00552481 |
| 5 |
88574 |
2389 |
- |
2528 |
= |
-139 |
* |
(60 |
/ |
181)
|
= |
-46.07734797 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fruitvale Elementary
|
-110 |
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 |
2484 |
2357 |
- |
2436 |
= |
-79 |
* |
(58 |
/ |
168)
|
= |
-27.27380951 |
| 4 |
2485 |
2377 |
- |
2485 |
= |
-108 |
* |
(54 |
/ |
168)
|
= |
-34.71428567 |
| 5 |
2488 |
2377 |
- |
2528 |
= |
-151 |
* |
(56 |
/ |
168)
|
= |
-50.33333328 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fruitvale Elementary
|
-112 |
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 |
2556 |
2375 |
- |
2436 |
= |
-61 |
* |
(53 |
/ |
167)
|
= |
-19.35928141 |
| 4 |
2557 |
2385 |
- |
2485 |
= |
-100 |
* |
(59 |
/ |
167)
|
= |
-35.3293413 |
| 5 |
2560 |
2383 |
- |
2528 |
= |
-145 |
* |
(55 |
/ |
167)
|
= |
-47.75449097 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fruitvale Elementary
|
-102 |
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 |
2559 |
2358 |
- |
2436 |
= |
-78 |
* |
(67 |
/ |
183)
|
= |
-28.557377 |
| 4 |
2561 |
2381 |
- |
2485 |
= |
-104 |
* |
(54 |
/ |
183)
|
= |
-30.68852457 |
| 5 |
2563 |
2378 |
- |
2528 |
= |
-150 |
* |
(62 |
/ |
183)
|
= |
-50.8196721 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fruitvale Elementary
|
-110 |
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 |
2581 |
2381 |
- |
2436 |
= |
-55 |
* |
(42 |
/ |
156)
|
= |
-14.8076923 |
| 4 |
2582 |
2391 |
- |
2485 |
= |
-94 |
* |
(66 |
/ |
156)
|
= |
-39.76923076 |
| 5 |
2583 |
2422 |
- |
2528 |
= |
-106 |
* |
(48 |
/ |
156)
|
= |
-32.61538454 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fruitvale Elementary
|
-87 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-110
|
-112
|
-102
|
-110
|
-87
|
-521.0 |
-104.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -74.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -134.2
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:
