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 |
2243682 |
2479 |
- |
2436 |
= |
43 |
* |
(71 |
/ |
221)
|
= |
13.81447962 |
| 4 |
2243683 |
2501 |
- |
2485 |
= |
16 |
* |
(74 |
/ |
221)
|
= |
5.35746605 |
| 5 |
2243686 |
2531 |
- |
2528 |
= |
3 |
* |
(76 |
/ |
221)
|
= |
1.03167421 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Chesterton Elementary
|
20 |
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 |
68871 |
2475 |
- |
2436 |
= |
39 |
* |
(68 |
/ |
199)
|
= |
13.32663314 |
| 4 |
68873 |
2510 |
- |
2485 |
= |
25 |
* |
(67 |
/ |
199)
|
= |
8.41708543 |
| 5 |
68876 |
2553 |
- |
2528 |
= |
25 |
* |
(64 |
/ |
199)
|
= |
8.040201 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Chesterton Elementary
|
30 |
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 |
70705 |
2479 |
- |
2436 |
= |
43 |
* |
(58 |
/ |
177)
|
= |
14.09039545 |
| 4 |
70707 |
2535 |
- |
2485 |
= |
50 |
* |
(58 |
/ |
177)
|
= |
16.38418075 |
| 5 |
70708 |
2579 |
- |
2528 |
= |
51 |
* |
(61 |
/ |
177)
|
= |
17.57627117 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Chesterton Elementary
|
48 |
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 |
70851 |
2453 |
- |
2436 |
= |
17 |
* |
(66 |
/ |
176)
|
= |
6.375 |
| 4 |
70853 |
2505 |
- |
2485 |
= |
20 |
* |
(61 |
/ |
176)
|
= |
6.93181818 |
| 5 |
70855 |
2581 |
- |
2528 |
= |
53 |
* |
(49 |
/ |
176)
|
= |
14.75568177 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Chesterton Elementary
|
28 |
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 |
71339 |
2475 |
- |
2436 |
= |
39 |
* |
(78 |
/ |
198)
|
= |
15.36363633 |
| 4 |
71340 |
2487 |
- |
2485 |
= |
2 |
* |
(64 |
/ |
198)
|
= |
0.64646465 |
| 5 |
71341 |
2586 |
- |
2528 |
= |
58 |
* |
(56 |
/ |
198)
|
= |
16.40404036 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Chesterton Elementary
|
32 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
20
|
30
|
48
|
28
|
32
|
158.0 |
31.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 1.6
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:
