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 |
873546 |
2415 |
- |
2436 |
= |
-21 |
* |
(67 |
/ |
213)
|
= |
-6.60563379 |
| 4 |
873549 |
2462 |
- |
2485 |
= |
-23 |
* |
(65 |
/ |
213)
|
= |
-7.01877934 |
| 5 |
873550 |
2470 |
- |
2528 |
= |
-58 |
* |
(81 |
/ |
213)
|
= |
-22.05633802 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Baldwin Hills 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 |
27637 |
2423 |
- |
2436 |
= |
-13 |
* |
(66 |
/ |
222)
|
= |
-3.86486486 |
| 4 |
27639 |
2455 |
- |
2485 |
= |
-30 |
* |
(83 |
/ |
222)
|
= |
-11.21621619 |
| 5 |
27640 |
2483 |
- |
2528 |
= |
-45 |
* |
(73 |
/ |
222)
|
= |
-14.79729726 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Baldwin Hills Elementary
|
-30 |
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 |
28208 |
2448 |
- |
2436 |
= |
12 |
* |
(61 |
/ |
199)
|
= |
3.67839196 |
| 4 |
28209 |
2459 |
- |
2485 |
= |
-26 |
* |
(58 |
/ |
199)
|
= |
-7.57788944 |
| 5 |
28211 |
2461 |
- |
2528 |
= |
-67 |
* |
(80 |
/ |
199)
|
= |
-26.93467335 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Baldwin Hills Elementary
|
-31 |
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 |
28258 |
2443 |
- |
2436 |
= |
7 |
* |
(62 |
/ |
190)
|
= |
2.28421052 |
| 4 |
28261 |
2466 |
- |
2485 |
= |
-19 |
* |
(69 |
/ |
190)
|
= |
-6.89999999 |
| 5 |
28262 |
2470 |
- |
2528 |
= |
-58 |
* |
(59 |
/ |
190)
|
= |
-18.01052627 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Baldwin Hills Elementary
|
-23 |
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 |
28438 |
2441 |
- |
2436 |
= |
5 |
* |
(77 |
/ |
203)
|
= |
1.89655172 |
| 4 |
28439 |
2477 |
- |
2485 |
= |
-8 |
* |
(57 |
/ |
203)
|
= |
-2.24630542 |
| 5 |
28440 |
2468 |
- |
2528 |
= |
-60 |
* |
(69 |
/ |
203)
|
= |
-20.39408862 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Baldwin Hills Elementary
|
-21 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-36
|
-30
|
-31
|
-23
|
-21
|
-141.0 |
-28.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.2
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:
