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 |
2342410 |
2437 |
- |
2436 |
= |
1 |
* |
(13 |
/ |
112) |
= |
0.11607143 |
4 |
2342411 |
2438 |
- |
2485 |
= |
-47 |
* |
(14 |
/ |
112) |
= |
-5.875 |
5 |
2342414 |
2431 |
- |
2528 |
= |
-97 |
* |
(23 |
/ |
112) |
= |
-19.91964277 |
6 |
2342415 |
2488 |
- |
2552 |
= |
-64 |
* |
(18 |
/ |
112) |
= |
-10.28571424 |
7 |
2342418 |
2509 |
- |
2567 |
= |
-58 |
* |
(21 |
/ |
112) |
= |
-10.875 |
8 |
2342419 |
2566 |
- |
2586 |
= |
-20 |
* |
(11 |
/ |
112) |
= |
-1.9642857 |
11 |
2342422 |
2550 |
- |
2628 |
= |
-78 |
* |
(12 |
/ |
112) |
= |
-8.35714285 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Warner Unified
|
-57 |
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 |
71563 |
2466 |
- |
2436 |
= |
30 |
* |
(14 |
/ |
99) |
= |
4.24242423 |
4 |
71566 |
0 |
- |
2485 |
= |
|
* |
(10 |
/ |
99) |
= |
|
5 |
71567 |
0 |
- |
2528 |
= |
|
* |
(10 |
/ |
99) |
= |
|
6 |
71569 |
2417 |
- |
2552 |
= |
-135 |
* |
(20 |
/ |
99) |
= |
-27.27272727 |
7 |
71572 |
2428 |
- |
2567 |
= |
-139 |
* |
(15 |
/ |
99) |
= |
-21.06060599 |
8 |
71573 |
2456 |
- |
2586 |
= |
-130 |
* |
(16 |
/ |
99) |
= |
-21.01010093 |
11 |
71576 |
2516 |
- |
2628 |
= |
-112 |
* |
(14 |
/ |
99) |
= |
-15.83838379 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Warner Unified
|
-81 |
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 |
73457 |
2343 |
- |
2436 |
= |
-93 |
* |
(11 |
/ |
74) |
= |
-13.82432426 |
4 |
73458 |
2490 |
- |
2485 |
= |
5 |
* |
(11 |
/ |
74) |
= |
0.74324324 |
5 |
73460 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
74) |
= |
|
6 |
73463 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
74) |
= |
|
7 |
73464 |
2386 |
- |
2567 |
= |
-181 |
* |
(15 |
/ |
74) |
= |
-36.68918906 |
8 |
73467 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
74) |
= |
|
11 |
73468 |
2502 |
- |
2628 |
= |
-126 |
* |
(11 |
/ |
74) |
= |
-18.72972965 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Warner Unified
|
-68 |
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 |
73596 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
78) |
= |
|
4 |
73597 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
78) |
= |
|
5 |
73600 |
2491 |
- |
2528 |
= |
-37 |
* |
(15 |
/ |
78) |
= |
-7.1153846 |
6 |
73601 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
78) |
= |
|
7 |
73604 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
78) |
= |
|
8 |
73605 |
2380 |
- |
2586 |
= |
-206 |
* |
(19 |
/ |
78) |
= |
-50.17948706 |
11 |
73608 |
0 |
- |
2628 |
= |
|
* |
(0 |
/ |
78) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Warner Unified
|
-57 |
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 |
74061 |
2385 |
- |
2436 |
= |
-51 |
* |
(20 |
/ |
102) |
= |
-9.99999998 |
4 |
74062 |
2398 |
- |
2485 |
= |
-87 |
* |
(12 |
/ |
102) |
= |
-10.23529405 |
5 |
74063 |
0 |
- |
2528 |
= |
|
* |
(9 |
/ |
102) |
= |
|
6 |
74064 |
2512 |
- |
2552 |
= |
-40 |
* |
(20 |
/ |
102) |
= |
-7.84313724 |
7 |
74065 |
2504 |
- |
2567 |
= |
-63 |
* |
(12 |
/ |
102) |
= |
-7.41176465 |
8 |
74066 |
2434 |
- |
2586 |
= |
-152 |
* |
(15 |
/ |
102) |
= |
-22.3529411 |
11 |
74067 |
2480 |
- |
2628 |
= |
-148 |
* |
(14 |
/ |
102) |
= |
-20.31372535 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Warner Unified
|
-78 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-81
|
-68
|
-57
|
-78
|
-341.0 |
-68.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.2
For the lines, you have the data necessary to plot the chart.