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 |
884871 |
2408 |
- |
2436 |
= |
-28 |
* |
(105 |
/ |
332)
|
= |
-8.85542168 |
| 4 |
884874 |
2465 |
- |
2485 |
= |
-20 |
* |
(114 |
/ |
332)
|
= |
-6.86746986 |
| 5 |
884875 |
2468 |
- |
2528 |
= |
-60 |
* |
(113 |
/ |
332)
|
= |
-20.4216867 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Carson Street Elementary
|
-36 |
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 |
27987 |
2424 |
- |
2436 |
= |
-12 |
* |
(128 |
/ |
344)
|
= |
-4.46511628 |
| 4 |
27989 |
2470 |
- |
2485 |
= |
-15 |
* |
(97 |
/ |
344)
|
= |
-4.22965116 |
| 5 |
27990 |
2482 |
- |
2528 |
= |
-46 |
* |
(119 |
/ |
344)
|
= |
-15.91279067 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Carson Street Elementary
|
-25 |
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 |
28554 |
2433 |
- |
2436 |
= |
-3 |
* |
(121 |
/ |
344)
|
= |
-1.05523256 |
| 4 |
28555 |
2465 |
- |
2485 |
= |
-20 |
* |
(125 |
/ |
344)
|
= |
-7.26744186 |
| 5 |
28558 |
2482 |
- |
2528 |
= |
-46 |
* |
(98 |
/ |
344)
|
= |
-13.10465112 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Carson Street Elementary
|
-21 |
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 |
28605 |
2457 |
- |
2436 |
= |
21 |
* |
(84 |
/ |
325)
|
= |
5.4276923 |
| 4 |
28607 |
2489 |
- |
2485 |
= |
4 |
* |
(119 |
/ |
325)
|
= |
1.46461538 |
| 5 |
28609 |
2499 |
- |
2528 |
= |
-29 |
* |
(122 |
/ |
325)
|
= |
-10.88615384 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Carson Street Elementary
|
-4 |
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 |
28784 |
2449 |
- |
2436 |
= |
13 |
* |
(105 |
/ |
320)
|
= |
4.265625 |
| 4 |
28785 |
2511 |
- |
2485 |
= |
26 |
* |
(89 |
/ |
320)
|
= |
7.23125 |
| 5 |
28786 |
2513 |
- |
2528 |
= |
-15 |
* |
(126 |
/ |
320)
|
= |
-5.90625 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Carson Street Elementary
|
6 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-36
|
-25
|
-21
|
-4
|
6
|
-80.0 |
-16.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 32.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.0
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:
