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 |
804836 |
2386 |
- |
2436 |
= |
-50 |
* |
(97 |
/ |
284)
|
= |
-17.07746475 |
| 4 |
804837 |
2443 |
- |
2485 |
= |
-42 |
* |
(86 |
/ |
284)
|
= |
-12.71830984 |
| 5 |
804840 |
2480 |
- |
2528 |
= |
-48 |
* |
(101 |
/ |
284)
|
= |
-17.0704225 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wilshire Park Elementary
|
-47 |
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 |
25182 |
2415 |
- |
2436 |
= |
-21 |
* |
(86 |
/ |
254)
|
= |
-7.11023622 |
| 4 |
25185 |
2476 |
- |
2485 |
= |
-9 |
* |
(89 |
/ |
254)
|
= |
-3.1535433 |
| 5 |
25187 |
2489 |
- |
2528 |
= |
-39 |
* |
(79 |
/ |
254)
|
= |
-12.12992126 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wilshire Park Elementary
|
-22 |
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 |
25679 |
2391 |
- |
2436 |
= |
-45 |
* |
(84 |
/ |
251)
|
= |
-15.05976093 |
| 4 |
25682 |
2474 |
- |
2485 |
= |
-11 |
* |
(79 |
/ |
251)
|
= |
-3.46215139 |
| 5 |
25684 |
2472 |
- |
2528 |
= |
-56 |
* |
(88 |
/ |
251)
|
= |
-19.6334661 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wilshire Park Elementary
|
-38 |
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 |
25707 |
2400 |
- |
2436 |
= |
-36 |
* |
(70 |
/ |
229)
|
= |
-11.00436678 |
| 4 |
25709 |
2462 |
- |
2485 |
= |
-23 |
* |
(83 |
/ |
229)
|
= |
-8.33624452 |
| 5 |
25711 |
2501 |
- |
2528 |
= |
-27 |
* |
(76 |
/ |
229)
|
= |
-8.96069868 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wilshire Park Elementary
|
-28 |
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 |
25868 |
2411 |
- |
2436 |
= |
-25 |
* |
(82 |
/ |
222)
|
= |
-9.23423423 |
| 4 |
25869 |
2476 |
- |
2485 |
= |
-9 |
* |
(62 |
/ |
222)
|
= |
-2.51351351 |
| 5 |
25870 |
2475 |
- |
2528 |
= |
-53 |
* |
(78 |
/ |
222)
|
= |
-18.6216216 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wilshire Park Elementary
|
-30 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-47
|
-22
|
-38
|
-28
|
-30
|
-165.0 |
-33.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -6.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.0
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:
