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 |
331256 |
2372 |
- |
2436 |
= |
-64 |
* |
(103 |
/ |
381)
|
= |
-17.30183725 |
| 4 |
331257 |
2409 |
- |
2485 |
= |
-76 |
* |
(91 |
/ |
381)
|
= |
-18.15223094 |
| 5 |
331260 |
2432 |
- |
2528 |
= |
-96 |
* |
(94 |
/ |
381)
|
= |
-23.68503936 |
| 6 |
331261 |
2457 |
- |
2552 |
= |
-95 |
* |
(93 |
/ |
381)
|
= |
-23.18897636 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Roeding Elementary
|
-82 |
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 |
9884 |
2383 |
- |
2436 |
= |
-53 |
* |
(119 |
/ |
373)
|
= |
-16.90884716 |
| 4 |
9886 |
2425 |
- |
2485 |
= |
-60 |
* |
(96 |
/ |
373)
|
= |
-15.44235924 |
| 5 |
9887 |
2441 |
- |
2528 |
= |
-87 |
* |
(100 |
/ |
373)
|
= |
-23.32439672 |
| 6 |
9890 |
2430 |
- |
2552 |
= |
-122 |
* |
(58 |
/ |
373)
|
= |
-18.97050932 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Roeding Elementary
|
-75 |
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 |
10212 |
2397 |
- |
2436 |
= |
-39 |
* |
(119 |
/ |
417)
|
= |
-11.12949638 |
| 4 |
10213 |
2434 |
- |
2485 |
= |
-51 |
* |
(117 |
/ |
417)
|
= |
-14.30935249 |
| 5 |
10215 |
2436 |
- |
2528 |
= |
-92 |
* |
(100 |
/ |
417)
|
= |
-22.06235008 |
| 6 |
10217 |
2416 |
- |
2552 |
= |
-136 |
* |
(81 |
/ |
417)
|
= |
-26.41726614 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Roeding Elementary
|
-74 |
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 |
10229 |
2371 |
- |
2436 |
= |
-65 |
* |
(81 |
/ |
384)
|
= |
-13.7109375 |
| 4 |
10231 |
2445 |
- |
2485 |
= |
-40 |
* |
(106 |
/ |
384)
|
= |
-11.04166664 |
| 5 |
10233 |
2437 |
- |
2528 |
= |
-91 |
* |
(110 |
/ |
384)
|
= |
-26.0677083 |
| 6 |
10235 |
2424 |
- |
2552 |
= |
-128 |
* |
(87 |
/ |
384)
|
= |
-29.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Roeding Elementary
|
-80 |
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 |
10310 |
2436 |
- |
2436 |
= |
0 |
* |
(87 |
/ |
365)
|
= |
0.0 |
| 4 |
10311 |
2413 |
- |
2485 |
= |
-72 |
* |
(87 |
/ |
365)
|
= |
-17.16164381 |
| 5 |
10312 |
2467 |
- |
2528 |
= |
-61 |
* |
(108 |
/ |
365)
|
= |
-18.04931501 |
| 6 |
10313 |
2426 |
- |
2552 |
= |
-126 |
* |
(83 |
/ |
365)
|
= |
-28.65205476 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Roeding Elementary
|
-64 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-82
|
-75
|
-74
|
-80
|
-64
|
-375.0 |
-75.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.0
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:
