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 |
339921 |
2463 |
- |
2436 |
= |
27 |
* |
(90 |
/ |
297)
|
= |
8.18181818 |
| 4 |
339922 |
2497 |
- |
2485 |
= |
12 |
* |
(88 |
/ |
297)
|
= |
3.55555555 |
| 5 |
339925 |
2476 |
- |
2528 |
= |
-52 |
* |
(58 |
/ |
297)
|
= |
-10.15488214 |
| 6 |
339926 |
2556 |
- |
2552 |
= |
4 |
* |
(61 |
/ |
297)
|
= |
0.82154882 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Forkner Elementary
|
2 |
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 |
10131 |
2457 |
- |
2436 |
= |
21 |
* |
(72 |
/ |
301)
|
= |
5.0232558 |
| 4 |
10134 |
2516 |
- |
2485 |
= |
31 |
* |
(87 |
/ |
301)
|
= |
8.96013286 |
| 5 |
10136 |
2494 |
- |
2528 |
= |
-34 |
* |
(78 |
/ |
301)
|
= |
-8.81063121 |
| 6 |
10138 |
2528 |
- |
2552 |
= |
-24 |
* |
(64 |
/ |
301)
|
= |
-5.10299002 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Forkner Elementary
|
0 |
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 |
10460 |
2463 |
- |
2436 |
= |
27 |
* |
(82 |
/ |
307)
|
= |
7.21172638 |
| 4 |
10461 |
2487 |
- |
2485 |
= |
2 |
* |
(76 |
/ |
307)
|
= |
0.49511401 |
| 5 |
10463 |
2524 |
- |
2528 |
= |
-4 |
* |
(76 |
/ |
307)
|
= |
-0.99022801 |
| 6 |
10466 |
2564 |
- |
2552 |
= |
12 |
* |
(73 |
/ |
307)
|
= |
2.85342019 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Forkner 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 |
10471 |
2467 |
- |
2436 |
= |
31 |
* |
(82 |
/ |
291)
|
= |
8.73539517 |
| 4 |
10473 |
2486 |
- |
2485 |
= |
1 |
* |
(77 |
/ |
291)
|
= |
0.26460481 |
| 5 |
10475 |
2507 |
- |
2528 |
= |
-21 |
* |
(60 |
/ |
291)
|
= |
-4.32989691 |
| 6 |
10477 |
2584 |
- |
2552 |
= |
32 |
* |
(72 |
/ |
291)
|
= |
7.91752576 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Forkner Elementary
|
13 |
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 |
10552 |
2480 |
- |
2436 |
= |
44 |
* |
(72 |
/ |
276)
|
= |
11.47826086 |
| 4 |
10553 |
2487 |
- |
2485 |
= |
2 |
* |
(72 |
/ |
276)
|
= |
0.52173913 |
| 5 |
10554 |
2525 |
- |
2528 |
= |
-3 |
* |
(64 |
/ |
276)
|
= |
-0.69565217 |
| 6 |
10555 |
2546 |
- |
2552 |
= |
-6 |
* |
(68 |
/ |
276)
|
= |
-1.47826087 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Forkner Elementary
|
10 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
2
|
0
|
10
|
13
|
10
|
35.0 |
7.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -3.25
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:
