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 |
966633 |
2421 |
- |
2436 |
= |
-15 |
* |
(86 |
/ |
266)
|
= |
-4.84962405 |
| 4 |
966634 |
2469 |
- |
2485 |
= |
-16 |
* |
(79 |
/ |
266)
|
= |
-4.7518797 |
| 5 |
966637 |
2460 |
- |
2528 |
= |
-68 |
* |
(101 |
/ |
266)
|
= |
-25.81954886 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tulsa Street Elementary
|
-35 |
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 |
30584 |
2436 |
- |
2436 |
= |
0 |
* |
(90 |
/ |
243)
|
= |
0.0 |
| 4 |
30587 |
2457 |
- |
2485 |
= |
-28 |
* |
(78 |
/ |
243)
|
= |
-8.98765431 |
| 5 |
30588 |
2496 |
- |
2528 |
= |
-32 |
* |
(75 |
/ |
243)
|
= |
-9.8765432 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tulsa Street Elementary
|
-19 |
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 |
31150 |
2436 |
- |
2436 |
= |
0 |
* |
(73 |
/ |
238)
|
= |
0.0 |
| 4 |
31151 |
2492 |
- |
2485 |
= |
7 |
* |
(80 |
/ |
238)
|
= |
2.35294117 |
| 5 |
31153 |
2494 |
- |
2528 |
= |
-34 |
* |
(85 |
/ |
238)
|
= |
-12.14285714 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tulsa Street Elementary
|
-10 |
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 |
31197 |
2436 |
- |
2436 |
= |
0 |
* |
(83 |
/ |
237)
|
= |
0.0 |
| 4 |
31199 |
2467 |
- |
2485 |
= |
-18 |
* |
(77 |
/ |
237)
|
= |
-5.84810125 |
| 5 |
31201 |
2502 |
- |
2528 |
= |
-26 |
* |
(77 |
/ |
237)
|
= |
-8.44725736 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tulsa Street Elementary
|
-14 |
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 |
31372 |
2433 |
- |
2436 |
= |
-3 |
* |
(76 |
/ |
241)
|
= |
-0.94605809 |
| 4 |
31373 |
2470 |
- |
2485 |
= |
-15 |
* |
(83 |
/ |
241)
|
= |
-5.1659751 |
| 5 |
31374 |
2484 |
- |
2528 |
= |
-44 |
* |
(82 |
/ |
241)
|
= |
-14.97095433 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tulsa Street Elementary
|
-21 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-35
|
-19
|
-10
|
-14
|
-21
|
-99.0 |
-19.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.8
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:
