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 |
1349871 |
2393 |
- |
2436 |
= |
-43 |
* |
(790 |
/ |
5010) |
= |
-6.78043909 |
4 |
1349872 |
2431 |
- |
2485 |
= |
-54 |
* |
(787 |
/ |
5010) |
= |
-8.48263471 |
5 |
1349874 |
2457 |
- |
2528 |
= |
-71 |
* |
(719 |
/ |
5010) |
= |
-10.18942115 |
6 |
1349877 |
2459 |
- |
2552 |
= |
-93 |
* |
(698 |
/ |
5010) |
= |
-12.9568862 |
7 |
1349879 |
2492 |
- |
2567 |
= |
-75 |
* |
(668 |
/ |
5010) |
= |
-9.99999998 |
8 |
1349880 |
2528 |
- |
2586 |
= |
-58 |
* |
(713 |
/ |
5010) |
= |
-8.2542914 |
11 |
1349883 |
2545 |
- |
2628 |
= |
-83 |
* |
(635 |
/ |
5010) |
= |
-10.51996 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Monterey Peninsula Unified
|
-67 |
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 |
42498 |
2415 |
- |
2436 |
= |
-21 |
* |
(776 |
/ |
4979) |
= |
-3.27294637 |
4 |
42500 |
2447 |
- |
2485 |
= |
-38 |
* |
(775 |
/ |
4979) |
= |
-5.91484231 |
5 |
42502 |
2470 |
- |
2528 |
= |
-58 |
* |
(739 |
/ |
4979) |
= |
-8.60855592 |
6 |
42504 |
2468 |
- |
2552 |
= |
-84 |
* |
(659 |
/ |
4979) |
= |
-11.1178951 |
7 |
42506 |
2495 |
- |
2567 |
= |
-72 |
* |
(672 |
/ |
4979) |
= |
-9.71761392 |
8 |
42509 |
2514 |
- |
2586 |
= |
-72 |
* |
(662 |
/ |
4979) |
= |
-9.5730066 |
11 |
42510 |
2560 |
- |
2628 |
= |
-68 |
* |
(696 |
/ |
4979) |
= |
-9.50552314 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Monterey Peninsula Unified
|
-58 |
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 |
43564 |
2408 |
- |
2436 |
= |
-28 |
* |
(815 |
/ |
4984) |
= |
-4.57865167 |
4 |
43565 |
2444 |
- |
2485 |
= |
-41 |
* |
(739 |
/ |
4984) |
= |
-6.0792536 |
5 |
43568 |
2476 |
- |
2528 |
= |
-52 |
* |
(788 |
/ |
4984) |
= |
-8.22150883 |
6 |
43569 |
2452 |
- |
2552 |
= |
-100 |
* |
(668 |
/ |
4984) |
= |
-13.4028892 |
7 |
43572 |
2473 |
- |
2567 |
= |
-94 |
* |
(647 |
/ |
4984) |
= |
-12.20264845 |
8 |
43574 |
2490 |
- |
2586 |
= |
-96 |
* |
(653 |
/ |
4984) |
= |
-12.57784906 |
11 |
43576 |
2557 |
- |
2628 |
= |
-71 |
* |
(674 |
/ |
4984) |
= |
-9.60152482 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Monterey Peninsula Unified
|
-67 |
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 |
43588 |
2408 |
- |
2436 |
= |
-28 |
* |
(723 |
/ |
4980) |
= |
-4.06506022 |
4 |
43591 |
2439 |
- |
2485 |
= |
-46 |
* |
(767 |
/ |
4980) |
= |
-7.08473894 |
5 |
43592 |
2483 |
- |
2528 |
= |
-45 |
* |
(738 |
/ |
4980) |
= |
-6.6686747 |
6 |
43595 |
2457 |
- |
2552 |
= |
-95 |
* |
(703 |
/ |
4980) |
= |
-13.41064251 |
7 |
43596 |
2468 |
- |
2567 |
= |
-99 |
* |
(662 |
/ |
4980) |
= |
-13.16024087 |
8 |
43599 |
2474 |
- |
2586 |
= |
-112 |
* |
(647 |
/ |
4980) |
= |
-14.55100394 |
11 |
43600 |
2568 |
- |
2628 |
= |
-60 |
* |
(740 |
/ |
4980) |
= |
-8.91566262 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Monterey Peninsula Unified
|
-68 |
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 |
43719 |
2410 |
- |
2436 |
= |
-26 |
* |
(750 |
/ |
4889) |
= |
-3.9885457 |
4 |
43720 |
2440 |
- |
2485 |
= |
-45 |
* |
(701 |
/ |
4889) |
= |
-6.45223968 |
5 |
43721 |
2473 |
- |
2528 |
= |
-55 |
* |
(745 |
/ |
4889) |
= |
-8.3810595 |
6 |
43722 |
2465 |
- |
2552 |
= |
-87 |
* |
(665 |
/ |
4889) |
= |
-11.83370825 |
7 |
43723 |
2467 |
- |
2567 |
= |
-100 |
* |
(684 |
/ |
4889) |
= |
-13.9905911 |
8 |
43724 |
2462 |
- |
2586 |
= |
-124 |
* |
(640 |
/ |
4889) |
= |
-16.23235826 |
11 |
43725 |
2541 |
- |
2628 |
= |
-87 |
* |
(704 |
/ |
4889) |
= |
-12.52771525 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Monterey Peninsula Unified
|
-73 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-67
|
-58
|
-67
|
-68
|
-73
|
-333.0 |
-66.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -81.6
For the lines, you have the data necessary to plot the chart.