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 |
2269901 |
2479 |
- |
2436 |
= |
43 |
* |
(121 |
/ |
395)
|
= |
13.17215186 |
| 4 |
2269904 |
2510 |
- |
2485 |
= |
25 |
* |
(139 |
/ |
395)
|
= |
8.79746835 |
| 5 |
2269905 |
2565 |
- |
2528 |
= |
37 |
* |
(135 |
/ |
395)
|
= |
12.64556959 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Miramar Ranch Elementary
|
35 |
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 |
69620 |
2494 |
- |
2436 |
= |
58 |
* |
(119 |
/ |
384)
|
= |
17.97395831 |
| 4 |
69621 |
2533 |
- |
2485 |
= |
48 |
* |
(116 |
/ |
384)
|
= |
14.49999998 |
| 5 |
69623 |
2553 |
- |
2528 |
= |
25 |
* |
(149 |
/ |
384)
|
= |
9.70052083 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Miramar Ranch Elementary
|
42 |
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 |
71453 |
2499 |
- |
2436 |
= |
63 |
* |
(130 |
/ |
376)
|
= |
21.78191484 |
| 4 |
71455 |
2564 |
- |
2485 |
= |
79 |
* |
(128 |
/ |
376)
|
= |
26.89361695 |
| 5 |
71457 |
2566 |
- |
2528 |
= |
38 |
* |
(118 |
/ |
376)
|
= |
11.92553191 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Miramar Ranch Elementary
|
61 |
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 |
71597 |
2508 |
- |
2436 |
= |
72 |
* |
(100 |
/ |
356)
|
= |
20.22471907 |
| 4 |
71599 |
2549 |
- |
2485 |
= |
64 |
* |
(121 |
/ |
356)
|
= |
21.75280896 |
| 5 |
71601 |
2581 |
- |
2528 |
= |
53 |
* |
(135 |
/ |
356)
|
= |
20.0983146 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Miramar Ranch Elementary
|
62 |
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 |
72083 |
2512 |
- |
2436 |
= |
76 |
* |
(103 |
/ |
327)
|
= |
23.93883788 |
| 4 |
72084 |
2568 |
- |
2485 |
= |
83 |
* |
(99 |
/ |
327)
|
= |
25.12844032 |
| 5 |
72085 |
2579 |
- |
2528 |
= |
51 |
* |
(125 |
/ |
327)
|
= |
19.4954128 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Miramar Ranch Elementary
|
69 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
35
|
42
|
61
|
62
|
69
|
269.0 |
53.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 95.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 11.8
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:
