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 |
772706 |
2415 |
- |
2436 |
= |
-21 |
* |
(98 |
/ |
269)
|
= |
-7.65055761 |
4 |
772707 |
2487 |
- |
2485 |
= |
2 |
* |
(86 |
/ |
269)
|
= |
0.6394052 |
5 |
772710 |
2507 |
- |
2528 |
= |
-21 |
* |
(85 |
/ |
269)
|
= |
-6.63568773 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Los Cerritos Elementary
|
-14 |
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 |
24233 |
2462 |
- |
2436 |
= |
26 |
* |
(89 |
/ |
260)
|
= |
8.89999999 |
4 |
24235 |
2489 |
- |
2485 |
= |
4 |
* |
(85 |
/ |
260)
|
= |
1.3076923 |
5 |
24236 |
2534 |
- |
2528 |
= |
6 |
* |
(86 |
/ |
260)
|
= |
1.98461538 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Los Cerritos Elementary
|
12 |
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 |
24733 |
2476 |
- |
2436 |
= |
40 |
* |
(85 |
/ |
253)
|
= |
13.43873516 |
4 |
24735 |
2496 |
- |
2485 |
= |
11 |
* |
(86 |
/ |
253)
|
= |
3.73913043 |
5 |
24737 |
2526 |
- |
2528 |
= |
-2 |
* |
(82 |
/ |
253)
|
= |
-0.64822134 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Los Cerritos Elementary
|
17 |
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 |
24757 |
2494 |
- |
2436 |
= |
58 |
* |
(89 |
/ |
258)
|
= |
20.00775192 |
4 |
24759 |
2519 |
- |
2485 |
= |
34 |
* |
(83 |
/ |
258)
|
= |
10.93798448 |
5 |
24761 |
2534 |
- |
2528 |
= |
6 |
* |
(86 |
/ |
258)
|
= |
2.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Los Cerritos Elementary
|
33 |
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 |
24926 |
2496 |
- |
2436 |
= |
60 |
* |
(89 |
/ |
259)
|
= |
20.61776058 |
4 |
24927 |
2527 |
- |
2485 |
= |
42 |
* |
(89 |
/ |
259)
|
= |
14.43243241 |
5 |
24928 |
2553 |
- |
2528 |
= |
25 |
* |
(81 |
/ |
259)
|
= |
7.8185328 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Los Cerritos Elementary
|
43 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-14
|
12
|
17
|
33
|
43
|
91.0 |
18.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 81.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.8
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: