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 |
1408470 |
2381 |
- |
2436 |
= |
-55 |
* |
(2707 |
/ |
10603) |
= |
-14.04178061 |
4 |
1408471 |
2424 |
- |
2485 |
= |
-61 |
* |
(2639 |
/ |
10603) |
= |
-15.1824012 |
5 |
1408474 |
2443 |
- |
2528 |
= |
-85 |
* |
(2609 |
/ |
10603) |
= |
-20.91530698 |
6 |
1408475 |
2476 |
- |
2552 |
= |
-76 |
* |
(2648 |
/ |
10603) |
= |
-18.98028856 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Anaheim Elementary
|
-69 |
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 |
44455 |
2387 |
- |
2436 |
= |
-49 |
* |
(2552 |
/ |
10378) |
= |
-12.0493351 |
4 |
44456 |
2427 |
- |
2485 |
= |
-58 |
* |
(2651 |
/ |
10378) |
= |
-14.81576406 |
5 |
44459 |
2448 |
- |
2528 |
= |
-80 |
* |
(2592 |
/ |
10378) |
= |
-19.9807284 |
6 |
44461 |
2474 |
- |
2552 |
= |
-78 |
* |
(2583 |
/ |
10378) |
= |
-19.41356711 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Anaheim Elementary
|
-66 |
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 |
45615 |
2389 |
- |
2436 |
= |
-47 |
* |
(2516 |
/ |
10204) |
= |
-11.58878868 |
4 |
45618 |
2425 |
- |
2485 |
= |
-60 |
* |
(2497 |
/ |
10204) |
= |
-14.68247742 |
5 |
45619 |
2440 |
- |
2528 |
= |
-88 |
* |
(2621 |
/ |
10204) |
= |
-22.60368475 |
6 |
45622 |
2470 |
- |
2552 |
= |
-82 |
* |
(2570 |
/ |
10204) |
= |
-20.65268515 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Anaheim Elementary
|
-70 |
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 |
45632 |
2397 |
- |
2436 |
= |
-39 |
* |
(2419 |
/ |
9922) |
= |
-9.50826443 |
4 |
45635 |
2432 |
- |
2485 |
= |
-53 |
* |
(2466 |
/ |
9922) |
= |
-13.17254585 |
5 |
45636 |
2447 |
- |
2528 |
= |
-81 |
* |
(2450 |
/ |
9922) |
= |
-20.00100778 |
6 |
45639 |
2475 |
- |
2552 |
= |
-77 |
* |
(2587 |
/ |
9922) |
= |
-20.07649667 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Anaheim Elementary
|
-63 |
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 |
45814 |
2402 |
- |
2436 |
= |
-34 |
* |
(2302 |
/ |
9350) |
= |
-8.37090907 |
4 |
45815 |
2441 |
- |
2485 |
= |
-44 |
* |
(2298 |
/ |
9350) |
= |
-10.81411764 |
5 |
45816 |
2458 |
- |
2528 |
= |
-70 |
* |
(2364 |
/ |
9350) |
= |
-17.69839568 |
6 |
45817 |
2482 |
- |
2552 |
= |
-70 |
* |
(2386 |
/ |
9350) |
= |
-17.86310155 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Anaheim Elementary
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-69
|
-66
|
-70
|
-63
|
-55
|
-323.0 |
-64.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -46.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.6
For the lines, you have the data necessary to plot the chart.