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 |
961315 |
2411 |
- |
2436 |
= |
-25 |
* |
(84 |
/ |
268)
|
= |
-7.83582088 |
| 4 |
961317 |
2452 |
- |
2485 |
= |
-33 |
* |
(92 |
/ |
268)
|
= |
-11.32835821 |
| 5 |
961318 |
2491 |
- |
2528 |
= |
-37 |
* |
(92 |
/ |
268)
|
= |
-12.70149253 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sunland Elementary
|
-32 |
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 |
30423 |
2417 |
- |
2436 |
= |
-19 |
* |
(60 |
/ |
227)
|
= |
-5.02202642 |
| 4 |
30425 |
2460 |
- |
2485 |
= |
-25 |
* |
(79 |
/ |
227)
|
= |
-8.70044053 |
| 5 |
30426 |
2475 |
- |
2528 |
= |
-53 |
* |
(88 |
/ |
227)
|
= |
-20.54625549 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sunland Elementary
|
-34 |
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 |
30988 |
2405 |
- |
2436 |
= |
-31 |
* |
(81 |
/ |
222)
|
= |
-11.31081078 |
| 4 |
30990 |
2447 |
- |
2485 |
= |
-38 |
* |
(59 |
/ |
222)
|
= |
-10.09909907 |
| 5 |
30991 |
2488 |
- |
2528 |
= |
-40 |
* |
(82 |
/ |
222)
|
= |
-14.77477476 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sunland 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 |
31034 |
2414 |
- |
2436 |
= |
-22 |
* |
(63 |
/ |
204)
|
= |
-6.79411764 |
| 4 |
31036 |
2441 |
- |
2485 |
= |
-44 |
* |
(80 |
/ |
204)
|
= |
-17.25490193 |
| 5 |
31038 |
2482 |
- |
2528 |
= |
-46 |
* |
(61 |
/ |
204)
|
= |
-13.75490192 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sunland 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 |
31210 |
2417 |
- |
2436 |
= |
-19 |
* |
(67 |
/ |
210)
|
= |
-6.06190476 |
| 4 |
31211 |
2481 |
- |
2485 |
= |
-4 |
* |
(60 |
/ |
210)
|
= |
-1.14285714 |
| 5 |
31212 |
2498 |
- |
2528 |
= |
-30 |
* |
(83 |
/ |
210)
|
= |
-11.85714285 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sunland Elementary
|
-19 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-32
|
-34
|
-36
|
-38
|
-19
|
-159.0 |
-31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -52.8
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:
