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 |
642302 |
2442 |
- |
2436 |
= |
6 |
* |
(734 |
/ |
5240) |
= |
0.84045801 |
4 |
642305 |
2479 |
- |
2485 |
= |
-6 |
* |
(707 |
/ |
5240) |
= |
-0.80954198 |
5 |
642306 |
2502 |
- |
2528 |
= |
-26 |
* |
(663 |
/ |
5240) |
= |
-3.28969464 |
6 |
642309 |
2537 |
- |
2552 |
= |
-15 |
* |
(778 |
/ |
5240) |
= |
-2.22709923 |
7 |
642310 |
2553 |
- |
2567 |
= |
-14 |
* |
(798 |
/ |
5240) |
= |
-2.13206106 |
8 |
642313 |
2553 |
- |
2586 |
= |
-33 |
* |
(745 |
/ |
5240) |
= |
-4.69179388 |
11 |
642314 |
2585 |
- |
2628 |
= |
-43 |
* |
(815 |
/ |
5240) |
= |
-6.68797709 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bonita Unified
|
-19 |
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 |
20475 |
2462 |
- |
2436 |
= |
26 |
* |
(703 |
/ |
5312) |
= |
3.44088854 |
4 |
20477 |
2484 |
- |
2485 |
= |
-1 |
* |
(727 |
/ |
5312) |
= |
-0.13685994 |
5 |
20479 |
2515 |
- |
2528 |
= |
-13 |
* |
(720 |
/ |
5312) |
= |
-1.76204818 |
6 |
20482 |
2550 |
- |
2552 |
= |
-2 |
* |
(694 |
/ |
5312) |
= |
-0.26129518 |
7 |
20483 |
2557 |
- |
2567 |
= |
-10 |
* |
(805 |
/ |
5312) |
= |
-1.51543674 |
8 |
20485 |
2572 |
- |
2586 |
= |
-14 |
* |
(794 |
/ |
5312) |
= |
-2.09262047 |
11 |
20487 |
2590 |
- |
2628 |
= |
-38 |
* |
(869 |
/ |
5312) |
= |
-6.21649095 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bonita Unified
|
-9 |
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 |
20815 |
2466 |
- |
2436 |
= |
30 |
* |
(717 |
/ |
5239) |
= |
4.10574537 |
4 |
20817 |
2499 |
- |
2485 |
= |
14 |
* |
(712 |
/ |
5239) |
= |
1.90265317 |
5 |
20820 |
2515 |
- |
2528 |
= |
-13 |
* |
(742 |
/ |
5239) |
= |
-1.84119107 |
6 |
20821 |
2574 |
- |
2552 |
= |
22 |
* |
(715 |
/ |
5239) |
= |
3.00248137 |
7 |
20823 |
2564 |
- |
2567 |
= |
-3 |
* |
(715 |
/ |
5239) |
= |
-0.40942928 |
8 |
20826 |
2585 |
- |
2586 |
= |
-1 |
* |
(810 |
/ |
5239) |
= |
-0.15460966 |
11 |
20827 |
2606 |
- |
2628 |
= |
-22 |
* |
(828 |
/ |
5239) |
= |
-3.47699942 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bonita Unified
|
3 |
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 |
20807 |
2472 |
- |
2436 |
= |
36 |
* |
(680 |
/ |
5165) |
= |
4.73959339 |
4 |
20809 |
2499 |
- |
2485 |
= |
14 |
* |
(719 |
/ |
5165) |
= |
1.94888673 |
5 |
20811 |
2535 |
- |
2528 |
= |
7 |
* |
(728 |
/ |
5165) |
= |
0.98664085 |
6 |
20813 |
2559 |
- |
2552 |
= |
7 |
* |
(776 |
/ |
5165) |
= |
1.05169409 |
7 |
20815 |
2577 |
- |
2567 |
= |
10 |
* |
(724 |
/ |
5165) |
= |
1.40174249 |
8 |
20817 |
2593 |
- |
2586 |
= |
7 |
* |
(725 |
/ |
5165) |
= |
0.98257502 |
11 |
20819 |
2609 |
- |
2628 |
= |
-19 |
* |
(813 |
/ |
5165) |
= |
-2.99070667 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bonita Unified
|
8 |
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 |
20986 |
2483 |
- |
2436 |
= |
47 |
* |
(697 |
/ |
5196) |
= |
6.30465741 |
4 |
20987 |
2511 |
- |
2485 |
= |
26 |
* |
(684 |
/ |
5196) |
= |
3.42263277 |
5 |
20988 |
2538 |
- |
2528 |
= |
10 |
* |
(732 |
/ |
5196) |
= |
1.40877598 |
6 |
20989 |
2564 |
- |
2552 |
= |
12 |
* |
(738 |
/ |
5196) |
= |
1.70438798 |
7 |
20990 |
2573 |
- |
2567 |
= |
6 |
* |
(791 |
/ |
5196) |
= |
0.91339492 |
8 |
20991 |
2607 |
- |
2586 |
= |
21 |
* |
(734 |
/ |
5196) |
= |
2.96651269 |
11 |
20992 |
2614 |
- |
2628 |
= |
-14 |
* |
(820 |
/ |
5196) |
= |
-2.20939183 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bonita Unified
|
15 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-19
|
-9
|
3
|
8
|
15
|
-2.0 |
-0.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.4
For the lines, you have the data necessary to plot the chart.