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 |
2151973 |
2468 |
- |
2436 |
= |
32 |
* |
(770 |
/ |
3061) |
= |
8.04965696 |
4 |
2151974 |
2523 |
- |
2485 |
= |
38 |
* |
(758 |
/ |
3061) |
= |
9.4099967 |
5 |
2151977 |
2557 |
- |
2528 |
= |
29 |
* |
(739 |
/ |
3061) |
= |
7.00130676 |
6 |
2151978 |
2584 |
- |
2552 |
= |
32 |
* |
(794 |
/ |
3061) |
= |
8.30055536 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Encinitas Union Elementary
|
33 |
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 |
66076 |
2475 |
- |
2436 |
= |
39 |
* |
(719 |
/ |
2998) |
= |
9.35323549 |
4 |
66078 |
2532 |
- |
2485 |
= |
47 |
* |
(780 |
/ |
2998) |
= |
12.22815206 |
5 |
66080 |
2557 |
- |
2528 |
= |
29 |
* |
(756 |
/ |
2998) |
= |
7.31287525 |
6 |
66083 |
2598 |
- |
2552 |
= |
46 |
* |
(743 |
/ |
2998) |
= |
11.4002668 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Encinitas Union Elementary
|
40 |
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 |
67896 |
2483 |
- |
2436 |
= |
47 |
* |
(723 |
/ |
2973) |
= |
11.42986881 |
4 |
67898 |
2521 |
- |
2485 |
= |
36 |
* |
(704 |
/ |
2973) |
= |
8.52472249 |
5 |
67900 |
2561 |
- |
2528 |
= |
33 |
* |
(805 |
/ |
2973) |
= |
8.93541875 |
6 |
67902 |
2599 |
- |
2552 |
= |
47 |
* |
(741 |
/ |
2973) |
= |
11.71442984 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Encinitas Union Elementary
|
41 |
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 |
68051 |
2477 |
- |
2436 |
= |
41 |
* |
(775 |
/ |
3037) |
= |
10.46262756 |
4 |
68052 |
2529 |
- |
2485 |
= |
44 |
* |
(729 |
/ |
3037) |
= |
10.56173853 |
5 |
68055 |
2558 |
- |
2528 |
= |
30 |
* |
(736 |
/ |
3037) |
= |
7.27033254 |
6 |
68056 |
2595 |
- |
2552 |
= |
43 |
* |
(797 |
/ |
3037) |
= |
11.28449125 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Encinitas Union Elementary
|
40 |
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 |
68558 |
2473 |
- |
2436 |
= |
37 |
* |
(729 |
/ |
2984) |
= |
9.03920911 |
4 |
68559 |
2529 |
- |
2485 |
= |
44 |
* |
(781 |
/ |
2984) |
= |
11.51608577 |
5 |
68560 |
2564 |
- |
2528 |
= |
36 |
* |
(728 |
/ |
2984) |
= |
8.78284181 |
6 |
68561 |
2590 |
- |
2552 |
= |
38 |
* |
(746 |
/ |
2984) |
= |
9.5 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Encinitas Union Elementary
|
39 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
33
|
40
|
41
|
40
|
39
|
193.0 |
38.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 47.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 29.6
For the lines, you have the data necessary to plot the chart.