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 |
893453 |
2416 |
- |
2436 |
= |
-20 |
* |
(71 |
/ |
209)
|
= |
-6.79425836 |
| 4 |
893456 |
2440 |
- |
2485 |
= |
-45 |
* |
(67 |
/ |
209)
|
= |
-14.42583729 |
| 5 |
893457 |
2458 |
- |
2528 |
= |
-70 |
* |
(71 |
/ |
209)
|
= |
-23.77990426 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Danube Avenue Elementary
|
-45 |
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 |
28247 |
2419 |
- |
2436 |
= |
-17 |
* |
(65 |
/ |
202)
|
= |
-5.47029703 |
| 4 |
28249 |
2459 |
- |
2485 |
= |
-26 |
* |
(70 |
/ |
202)
|
= |
-9.00990098 |
| 5 |
28250 |
2471 |
- |
2528 |
= |
-57 |
* |
(67 |
/ |
202)
|
= |
-18.90594058 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Danube Avenue Elementary
|
-33 |
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 |
28814 |
2436 |
- |
2436 |
= |
0 |
* |
(70 |
/ |
199)
|
= |
0.0 |
| 4 |
28816 |
2444 |
- |
2485 |
= |
-41 |
* |
(63 |
/ |
199)
|
= |
-12.97989947 |
| 5 |
28817 |
2472 |
- |
2528 |
= |
-56 |
* |
(66 |
/ |
199)
|
= |
-18.5728643 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Danube Avenue Elementary
|
-32 |
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 |
28863 |
2425 |
- |
2436 |
= |
-11 |
* |
(50 |
/ |
167)
|
= |
-3.29341317 |
| 4 |
28864 |
2464 |
- |
2485 |
= |
-21 |
* |
(61 |
/ |
167)
|
= |
-7.67065868 |
| 5 |
28867 |
2461 |
- |
2528 |
= |
-67 |
* |
(56 |
/ |
167)
|
= |
-22.46706585 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Danube Avenue Elementary
|
-33 |
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 |
29042 |
2435 |
- |
2436 |
= |
-1 |
* |
(44 |
/ |
159)
|
= |
-0.27672956 |
| 4 |
29043 |
2442 |
- |
2485 |
= |
-43 |
* |
(49 |
/ |
159)
|
= |
-13.2515723 |
| 5 |
29044 |
2482 |
- |
2528 |
= |
-46 |
* |
(66 |
/ |
159)
|
= |
-19.09433959 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Danube Avenue Elementary
|
-33 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-45
|
-33
|
-32
|
-33
|
-33
|
-176.0 |
-35.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -20.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.2
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:
