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 |
888811 |
2417 |
- |
2436 |
= |
-19 |
* |
(73 |
/ |
188)
|
= |
-7.37765957 |
| 4 |
888812 |
2436 |
- |
2485 |
= |
-49 |
* |
(57 |
/ |
188)
|
= |
-14.85638296 |
| 5 |
888815 |
2479 |
- |
2528 |
= |
-49 |
* |
(58 |
/ |
188)
|
= |
-15.11702126 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for City Terrace Elementary
|
-37 |
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 |
28103 |
2410 |
- |
2436 |
= |
-26 |
* |
(73 |
/ |
201)
|
= |
-9.44278605 |
| 4 |
28105 |
2427 |
- |
2485 |
= |
-58 |
* |
(69 |
/ |
201)
|
= |
-19.91044776 |
| 5 |
28107 |
2479 |
- |
2528 |
= |
-49 |
* |
(59 |
/ |
201)
|
= |
-14.38308456 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for City Terrace Elementary
|
-44 |
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 |
28669 |
2434 |
- |
2436 |
= |
-2 |
* |
(59 |
/ |
202)
|
= |
-0.58415841 |
| 4 |
28672 |
2437 |
- |
2485 |
= |
-48 |
* |
(74 |
/ |
202)
|
= |
-17.58415838 |
| 5 |
28673 |
2472 |
- |
2528 |
= |
-56 |
* |
(69 |
/ |
202)
|
= |
-19.12871285 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for City Terrace Elementary
|
-37 |
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 |
28718 |
2448 |
- |
2436 |
= |
12 |
* |
(64 |
/ |
187)
|
= |
4.10695187 |
| 4 |
28721 |
2494 |
- |
2485 |
= |
9 |
* |
(53 |
/ |
187)
|
= |
2.55080213 |
| 5 |
28722 |
2480 |
- |
2528 |
= |
-48 |
* |
(70 |
/ |
187)
|
= |
-17.9679144 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for City Terrace Elementary
|
-11 |
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 |
28898 |
2455 |
- |
2436 |
= |
19 |
* |
(77 |
/ |
194)
|
= |
7.5412371 |
| 4 |
28899 |
2486 |
- |
2485 |
= |
1 |
* |
(63 |
/ |
194)
|
= |
0.32474227 |
| 5 |
28900 |
2535 |
- |
2528 |
= |
7 |
* |
(54 |
/ |
194)
|
= |
1.94845361 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for City Terrace Elementary
|
10 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-37
|
-44
|
-37
|
-11
|
10
|
-119.0 |
-23.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 42.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.8
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:
