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 |
1429376 |
2457 |
- |
2436 |
= |
21 |
* |
(126 |
/ |
384)
|
= |
6.890625 |
| 4 |
1429377 |
2504 |
- |
2485 |
= |
19 |
* |
(123 |
/ |
384)
|
= |
6.0859375 |
| 5 |
1429380 |
2531 |
- |
2528 |
= |
3 |
* |
(135 |
/ |
384)
|
= |
1.0546875 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Canyon Vista Elementary
|
14 |
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 |
45018 |
2459 |
- |
2436 |
= |
23 |
* |
(111 |
/ |
362)
|
= |
7.05248618 |
| 4 |
45021 |
2502 |
- |
2485 |
= |
17 |
* |
(126 |
/ |
362)
|
= |
5.91712707 |
| 5 |
45023 |
2547 |
- |
2528 |
= |
19 |
* |
(125 |
/ |
362)
|
= |
6.56077347 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Canyon Vista Elementary
|
20 |
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 |
46220 |
2480 |
- |
2436 |
= |
44 |
* |
(111 |
/ |
355)
|
= |
13.75774646 |
| 4 |
46223 |
2505 |
- |
2485 |
= |
20 |
* |
(112 |
/ |
355)
|
= |
6.30985914 |
| 5 |
46224 |
2514 |
- |
2528 |
= |
-14 |
* |
(132 |
/ |
355)
|
= |
-5.20563379 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Canyon Vista Elementary
|
15 |
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 |
46231 |
2469 |
- |
2436 |
= |
33 |
* |
(94 |
/ |
319)
|
= |
9.72413792 |
| 4 |
46233 |
2531 |
- |
2485 |
= |
46 |
* |
(112 |
/ |
319)
|
= |
16.15047019 |
| 5 |
46235 |
2540 |
- |
2528 |
= |
12 |
* |
(113 |
/ |
319)
|
= |
4.25078369 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Canyon Vista Elementary
|
30 |
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 |
46405 |
2497 |
- |
2436 |
= |
61 |
* |
(94 |
/ |
300)
|
= |
19.11333331 |
| 4 |
46406 |
2537 |
- |
2485 |
= |
52 |
* |
(91 |
/ |
300)
|
= |
15.77333332 |
| 5 |
46407 |
2559 |
- |
2528 |
= |
31 |
* |
(115 |
/ |
300)
|
= |
11.88333332 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Canyon Vista Elementary
|
47 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
14
|
20
|
15
|
30
|
47
|
126.0 |
25.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 64.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -13.8
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:
