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 |
1428659 |
2448 |
- |
2436 |
= |
12 |
* |
(3545 |
/ |
26337) |
= |
1.61521813 |
4 |
1428662 |
2489 |
- |
2485 |
= |
4 |
* |
(3796 |
/ |
26337) |
= |
0.57652732 |
5 |
1428663 |
2515 |
- |
2528 |
= |
-13 |
* |
(3688 |
/ |
26337) |
= |
-1.82040474 |
6 |
1428666 |
2559 |
- |
2552 |
= |
7 |
* |
(3891 |
/ |
26337) |
= |
1.03417245 |
7 |
1428667 |
2584 |
- |
2567 |
= |
17 |
* |
(3830 |
/ |
26337) |
= |
2.47218741 |
8 |
1428670 |
2608 |
- |
2586 |
= |
22 |
* |
(3948 |
/ |
26337) |
= |
3.29786992 |
11 |
1428671 |
2616 |
- |
2628 |
= |
-12 |
* |
(3639 |
/ |
26337) |
= |
-1.65804761 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Capistrano Unified
|
6 |
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 |
45002 |
2456 |
- |
2436 |
= |
20 |
* |
(3517 |
/ |
26231) |
= |
2.68155998 |
4 |
45005 |
2504 |
- |
2485 |
= |
19 |
* |
(3581 |
/ |
26231) |
= |
2.59383934 |
5 |
45007 |
2533 |
- |
2528 |
= |
5 |
* |
(3838 |
/ |
26231) |
= |
0.73157714 |
6 |
45009 |
2559 |
- |
2552 |
= |
7 |
* |
(3713 |
/ |
26231) |
= |
0.99085052 |
7 |
45010 |
2585 |
- |
2567 |
= |
18 |
* |
(3936 |
/ |
26231) |
= |
2.70092637 |
8 |
45013 |
2615 |
- |
2586 |
= |
29 |
* |
(3863 |
/ |
26231) |
= |
4.27078647 |
11 |
45015 |
2620 |
- |
2628 |
= |
-8 |
* |
(3783 |
/ |
26231) |
= |
-1.15374938 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Capistrano Unified
|
13 |
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 |
46204 |
2458 |
- |
2436 |
= |
22 |
* |
(3284 |
/ |
25706) |
= |
2.81055005 |
4 |
46207 |
2505 |
- |
2485 |
= |
20 |
* |
(3500 |
/ |
25706) |
= |
2.72309966 |
5 |
46209 |
2529 |
- |
2528 |
= |
1 |
* |
(3567 |
/ |
25706) |
= |
0.13876138 |
6 |
46211 |
2567 |
- |
2552 |
= |
15 |
* |
(3893 |
/ |
25706) |
= |
2.27164863 |
7 |
46212 |
2585 |
- |
2567 |
= |
18 |
* |
(3715 |
/ |
25706) |
= |
2.6013382 |
8 |
46214 |
2620 |
- |
2586 |
= |
34 |
* |
(3893 |
/ |
25706) |
= |
5.14907023 |
11 |
46216 |
2625 |
- |
2628 |
= |
-3 |
* |
(3854 |
/ |
25706) |
= |
-0.44977826 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Capistrano Unified
|
15 |
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 |
46215 |
2460 |
- |
2436 |
= |
24 |
* |
(3236 |
/ |
25272) |
= |
3.0731244 |
4 |
46217 |
2510 |
- |
2485 |
= |
25 |
* |
(3344 |
/ |
25272) |
= |
3.30800885 |
5 |
46218 |
2533 |
- |
2528 |
= |
5 |
* |
(3580 |
/ |
25272) |
= |
0.70829376 |
6 |
46220 |
2568 |
- |
2552 |
= |
16 |
* |
(3600 |
/ |
25272) |
= |
2.27920227 |
7 |
46222 |
2596 |
- |
2567 |
= |
29 |
* |
(3940 |
/ |
25272) |
= |
4.52120924 |
8 |
46224 |
2616 |
- |
2586 |
= |
30 |
* |
(3739 |
/ |
25272) |
= |
4.438509 |
11 |
46226 |
2618 |
- |
2628 |
= |
-10 |
* |
(3833 |
/ |
25272) |
= |
-1.51669832 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Capistrano Unified
|
17 |
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 |
46393 |
2465 |
- |
2436 |
= |
29 |
* |
(3184 |
/ |
24725) |
= |
3.73451969 |
4 |
46394 |
2514 |
- |
2485 |
= |
29 |
* |
(3198 |
/ |
24725) |
= |
3.75094033 |
5 |
46395 |
2537 |
- |
2528 |
= |
9 |
* |
(3380 |
/ |
24725) |
= |
1.23033367 |
6 |
46396 |
2568 |
- |
2552 |
= |
16 |
* |
(3622 |
/ |
24725) |
= |
2.34386248 |
7 |
46397 |
2594 |
- |
2567 |
= |
27 |
* |
(3649 |
/ |
24725) |
= |
3.98475226 |
8 |
46398 |
2626 |
- |
2586 |
= |
40 |
* |
(3933 |
/ |
24725) |
= |
6.36279068 |
11 |
46399 |
2624 |
- |
2628 |
= |
-4 |
* |
(3759 |
/ |
24725) |
= |
-0.60812942 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Capistrano Unified
|
21 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
6
|
13
|
15
|
17
|
21
|
72.0 |
14.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 29.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -0.6
For the lines, you have the data necessary to plot the chart.