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 |
90835 |
2414 |
- |
2436 |
= |
-22 |
* |
(77 |
/ |
202)
|
= |
-8.3861386 |
| 4 |
90836 |
2479 |
- |
2485 |
= |
-6 |
* |
(62 |
/ |
202)
|
= |
-1.84158416 |
| 5 |
90839 |
2537 |
- |
2528 |
= |
9 |
* |
(63 |
/ |
202)
|
= |
2.80693069 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Joaquin Miller Elementary
|
-7 |
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 |
2553 |
2438 |
- |
2436 |
= |
2 |
* |
(70 |
/ |
199)
|
= |
0.70351759 |
| 4 |
2556 |
2466 |
- |
2485 |
= |
-19 |
* |
(74 |
/ |
199)
|
= |
-7.06532662 |
| 5 |
2557 |
2512 |
- |
2528 |
= |
-16 |
* |
(55 |
/ |
199)
|
= |
-4.42211054 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Joaquin Miller Elementary
|
-11 |
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 |
2625 |
2462 |
- |
2436 |
= |
26 |
* |
(72 |
/ |
211)
|
= |
8.8720379 |
| 4 |
2628 |
2481 |
- |
2485 |
= |
-4 |
* |
(68 |
/ |
211)
|
= |
-1.28909952 |
| 5 |
2629 |
2491 |
- |
2528 |
= |
-37 |
* |
(71 |
/ |
211)
|
= |
-12.45023693 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Joaquin Miller Elementary
|
-5 |
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 |
2629 |
2455 |
- |
2436 |
= |
19 |
* |
(75 |
/ |
217)
|
= |
6.56682026 |
| 4 |
2631 |
2492 |
- |
2485 |
= |
7 |
* |
(75 |
/ |
217)
|
= |
2.41935483 |
| 5 |
2633 |
2507 |
- |
2528 |
= |
-21 |
* |
(67 |
/ |
217)
|
= |
-6.48387096 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Joaquin Miller Elementary
|
3 |
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 |
2651 |
2466 |
- |
2436 |
= |
30 |
* |
(66 |
/ |
205)
|
= |
9.65853657 |
| 4 |
2652 |
2498 |
- |
2485 |
= |
13 |
* |
(69 |
/ |
205)
|
= |
4.37560975 |
| 5 |
2653 |
2525 |
- |
2528 |
= |
-3 |
* |
(70 |
/ |
205)
|
= |
-1.02439024 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Joaquin Miller Elementary
|
13 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-7
|
-11
|
-5
|
3
|
13
|
-7.0 |
-1.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -28.4
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:
