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 |
89700 |
2436 |
- |
2436 |
= |
0 |
* |
(47 |
/ |
137)
|
= |
0.0 |
| 4 |
89701 |
2480 |
- |
2485 |
= |
-5 |
* |
(49 |
/ |
137)
|
= |
-1.78832117 |
| 5 |
89704 |
2502 |
- |
2528 |
= |
-26 |
* |
(41 |
/ |
137)
|
= |
-7.78102187 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kaiser Elementary
|
-10 |
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 |
2515 |
2437 |
- |
2436 |
= |
1 |
* |
(38 |
/ |
123)
|
= |
0.30894309 |
| 4 |
2518 |
2459 |
- |
2485 |
= |
-26 |
* |
(45 |
/ |
123)
|
= |
-9.51219511 |
| 5 |
2519 |
2492 |
- |
2528 |
= |
-36 |
* |
(40 |
/ |
123)
|
= |
-11.70731707 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kaiser Elementary
|
-21 |
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 |
2588 |
2459 |
- |
2436 |
= |
23 |
* |
(46 |
/ |
122)
|
= |
8.67213114 |
| 4 |
2589 |
2466 |
- |
2485 |
= |
-19 |
* |
(39 |
/ |
122)
|
= |
-6.07377049 |
| 5 |
2592 |
2492 |
- |
2528 |
= |
-36 |
* |
(37 |
/ |
122)
|
= |
-10.91803277 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kaiser Elementary
|
-8 |
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 |
2592 |
2481 |
- |
2436 |
= |
45 |
* |
(49 |
/ |
137)
|
= |
16.09489049 |
| 4 |
2594 |
2479 |
- |
2485 |
= |
-6 |
* |
(47 |
/ |
137)
|
= |
-2.05839416 |
| 5 |
2596 |
2461 |
- |
2528 |
= |
-67 |
* |
(41 |
/ |
137)
|
= |
-20.05109482 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kaiser Elementary
|
-6 |
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 |
2613 |
2458 |
- |
2436 |
= |
22 |
* |
(41 |
/ |
132)
|
= |
6.83333332 |
| 4 |
2614 |
2537 |
- |
2485 |
= |
52 |
* |
(47 |
/ |
132)
|
= |
18.51515151 |
| 5 |
2615 |
2521 |
- |
2528 |
= |
-7 |
* |
(44 |
/ |
132)
|
= |
-2.33333333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kaiser Elementary
|
23 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-10
|
-21
|
-8
|
-6
|
23
|
-22.0 |
-4.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 43.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -52.4
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:
