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 |
3182865 |
2390 |
- |
2436 |
= |
-46 |
* |
(821 |
/ |
5264) |
= |
-7.17439207 |
4 |
3182866 |
2441 |
- |
2485 |
= |
-44 |
* |
(751 |
/ |
5264) |
= |
-6.27735561 |
5 |
3182869 |
2467 |
- |
2528 |
= |
-61 |
* |
(772 |
/ |
5264) |
= |
-8.94604857 |
6 |
3182870 |
2501 |
- |
2552 |
= |
-51 |
* |
(735 |
/ |
5264) |
= |
-7.12101061 |
7 |
3182873 |
2495 |
- |
2567 |
= |
-72 |
* |
(757 |
/ |
5264) |
= |
-10.35410328 |
8 |
3182874 |
2513 |
- |
2586 |
= |
-73 |
* |
(749 |
/ |
5264) |
= |
-10.38696808 |
11 |
3182876 |
2526 |
- |
2628 |
= |
-102 |
* |
(679 |
/ |
5264) |
= |
-13.15691482 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Woodland Joint Unified
|
-63 |
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 |
98096 |
2404 |
- |
2436 |
= |
-32 |
* |
(727 |
/ |
5208) |
= |
-4.46697386 |
4 |
98099 |
2439 |
- |
2485 |
= |
-46 |
* |
(821 |
/ |
5208) |
= |
-7.25153609 |
5 |
98101 |
2469 |
- |
2528 |
= |
-59 |
* |
(760 |
/ |
5208) |
= |
-8.609831 |
6 |
98103 |
2497 |
- |
2552 |
= |
-55 |
* |
(785 |
/ |
5208) |
= |
-8.29013053 |
7 |
98105 |
2524 |
- |
2567 |
= |
-43 |
* |
(677 |
/ |
5208) |
= |
-5.58966972 |
8 |
98107 |
2509 |
- |
2586 |
= |
-77 |
* |
(749 |
/ |
5208) |
= |
-11.07392471 |
11 |
98108 |
2541 |
- |
2628 |
= |
-87 |
* |
(689 |
/ |
5208) |
= |
-11.50979254 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Woodland Joint Unified
|
-57 |
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 |
100962 |
2396 |
- |
2436 |
= |
-40 |
* |
(749 |
/ |
5147) |
= |
-5.82086652 |
4 |
100963 |
2447 |
- |
2485 |
= |
-38 |
* |
(729 |
/ |
5147) |
= |
-5.38216435 |
5 |
100966 |
2466 |
- |
2528 |
= |
-62 |
* |
(816 |
/ |
5147) |
= |
-9.82941515 |
6 |
100967 |
2493 |
- |
2552 |
= |
-59 |
* |
(764 |
/ |
5147) |
= |
-8.75772294 |
7 |
100969 |
2514 |
- |
2567 |
= |
-53 |
* |
(726 |
/ |
5147) |
= |
-7.47581112 |
8 |
100971 |
2530 |
- |
2586 |
= |
-56 |
* |
(670 |
/ |
5147) |
= |
-7.2896833 |
11 |
100973 |
2529 |
- |
2628 |
= |
-99 |
* |
(693 |
/ |
5147) |
= |
-13.32951226 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Woodland Joint Unified
|
-58 |
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 |
101115 |
2398 |
- |
2436 |
= |
-38 |
* |
(758 |
/ |
5166) |
= |
-5.57568718 |
4 |
101116 |
2441 |
- |
2485 |
= |
-44 |
* |
(745 |
/ |
5166) |
= |
-6.34533486 |
5 |
101119 |
2475 |
- |
2528 |
= |
-53 |
* |
(734 |
/ |
5166) |
= |
-7.530391 |
6 |
101120 |
2490 |
- |
2552 |
= |
-62 |
* |
(812 |
/ |
5166) |
= |
-9.7452574 |
7 |
101123 |
2501 |
- |
2567 |
= |
-66 |
* |
(713 |
/ |
5166) |
= |
-9.10917533 |
8 |
101124 |
2527 |
- |
2586 |
= |
-59 |
* |
(731 |
/ |
5166) |
= |
-8.34862561 |
11 |
101126 |
2539 |
- |
2628 |
= |
-89 |
* |
(673 |
/ |
5166) |
= |
-11.59446379 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Woodland Joint Unified
|
-58 |
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 |
101767 |
2404 |
- |
2436 |
= |
-32 |
* |
(724 |
/ |
5152) |
= |
-4.4968944 |
4 |
101768 |
2448 |
- |
2485 |
= |
-37 |
* |
(757 |
/ |
5152) |
= |
-5.43652947 |
5 |
101769 |
2471 |
- |
2528 |
= |
-57 |
* |
(738 |
/ |
5152) |
= |
-8.16498444 |
6 |
101770 |
2504 |
- |
2552 |
= |
-48 |
* |
(742 |
/ |
5152) |
= |
-6.91304347 |
7 |
101771 |
2501 |
- |
2567 |
= |
-66 |
* |
(766 |
/ |
5152) |
= |
-9.81288818 |
8 |
101772 |
2518 |
- |
2586 |
= |
-68 |
* |
(725 |
/ |
5152) |
= |
-9.56909933 |
11 |
101773 |
2525 |
- |
2628 |
= |
-103 |
* |
(700 |
/ |
5152) |
= |
-13.9945652 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Woodland Joint Unified
|
-58 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-63
|
-57
|
-58
|
-58
|
-58
|
-294.0 |
-58.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.8
For the lines, you have the data necessary to plot the chart.