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 |
912926 |
2470 |
- |
2436 |
= |
34 |
* |
(126 |
/ |
337)
|
= |
12.71216616 |
| 4 |
912928 |
2538 |
- |
2485 |
= |
53 |
* |
(97 |
/ |
337)
|
= |
15.25519283 |
| 5 |
912930 |
2551 |
- |
2528 |
= |
23 |
* |
(114 |
/ |
337)
|
= |
7.78041541 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hancock Park 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 |
28858 |
2455 |
- |
2436 |
= |
19 |
* |
(117 |
/ |
297)
|
= |
7.48484847 |
| 4 |
28860 |
2535 |
- |
2485 |
= |
50 |
* |
(103 |
/ |
297)
|
= |
17.3400673 |
| 5 |
28863 |
2534 |
- |
2528 |
= |
6 |
* |
(77 |
/ |
297)
|
= |
1.55555555 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hancock Park Elementary
|
26 |
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 |
29423 |
2481 |
- |
2436 |
= |
45 |
* |
(96 |
/ |
277)
|
= |
15.59566787 |
| 4 |
29426 |
2530 |
- |
2485 |
= |
45 |
* |
(95 |
/ |
277)
|
= |
15.43321296 |
| 5 |
29428 |
2532 |
- |
2528 |
= |
4 |
* |
(86 |
/ |
277)
|
= |
1.24187726 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hancock Park Elementary
|
32 |
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 |
29473 |
2493 |
- |
2436 |
= |
57 |
* |
(91 |
/ |
279)
|
= |
18.59139782 |
| 4 |
29475 |
2533 |
- |
2485 |
= |
48 |
* |
(103 |
/ |
279)
|
= |
17.7204301 |
| 5 |
29477 |
2503 |
- |
2528 |
= |
-25 |
* |
(85 |
/ |
279)
|
= |
-7.61648745 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hancock Park Elementary
|
29 |
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 |
29648 |
2473 |
- |
2436 |
= |
37 |
* |
(118 |
/ |
284)
|
= |
15.37323941 |
| 4 |
29649 |
2551 |
- |
2485 |
= |
66 |
* |
(77 |
/ |
284)
|
= |
17.89436616 |
| 5 |
29650 |
2523 |
- |
2528 |
= |
-5 |
* |
(89 |
/ |
284)
|
= |
-1.56690141 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hancock Park Elementary
|
32 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
36
|
26
|
32
|
29
|
32
|
155.0 |
31.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 40.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 22.0
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:
