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 |
1278743 |
2421 |
- |
2436 |
= |
-15 |
* |
(37 |
/ |
257) |
= |
-2.15953307 |
4 |
1278746 |
2431 |
- |
2485 |
= |
-54 |
* |
(41 |
/ |
257) |
= |
-8.61478594 |
5 |
1278747 |
2488 |
- |
2528 |
= |
-40 |
* |
(34 |
/ |
257) |
= |
-5.29182876 |
6 |
1278750 |
2498 |
- |
2552 |
= |
-54 |
* |
(30 |
/ |
257) |
= |
-6.30350192 |
7 |
1278751 |
2560 |
- |
2567 |
= |
-7 |
* |
(32 |
/ |
257) |
= |
-0.87159533 |
8 |
1278754 |
2625 |
- |
2586 |
= |
39 |
* |
(42 |
/ |
257) |
= |
6.37354084 |
11 |
1278755 |
2609 |
- |
2628 |
= |
-19 |
* |
(41 |
/ |
257) |
= |
-3.03112839 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mendocino Unified
|
-20 |
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 |
39978 |
2453 |
- |
2436 |
= |
17 |
* |
(39 |
/ |
254) |
= |
2.61023622 |
4 |
39981 |
2459 |
- |
2485 |
= |
-26 |
* |
(42 |
/ |
254) |
= |
-4.29921258 |
5 |
39982 |
2459 |
- |
2528 |
= |
-69 |
* |
(39 |
/ |
254) |
= |
-10.59448818 |
6 |
39985 |
2505 |
- |
2552 |
= |
-47 |
* |
(36 |
/ |
254) |
= |
-6.6614173 |
7 |
39986 |
2625 |
- |
2567 |
= |
58 |
* |
(31 |
/ |
254) |
= |
7.07874015 |
8 |
39988 |
2618 |
- |
2586 |
= |
32 |
* |
(34 |
/ |
254) |
= |
4.28346454 |
11 |
39991 |
2570 |
- |
2628 |
= |
-58 |
* |
(33 |
/ |
254) |
= |
-7.53543302 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mendocino Unified
|
-15 |
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 |
40996 |
2423 |
- |
2436 |
= |
-13 |
* |
(31 |
/ |
269) |
= |
-1.49814126 |
4 |
40997 |
2487 |
- |
2485 |
= |
2 |
* |
(41 |
/ |
269) |
= |
0.30483271 |
5 |
41000 |
2501 |
- |
2528 |
= |
-27 |
* |
(43 |
/ |
269) |
= |
-4.31598513 |
6 |
41002 |
2490 |
- |
2552 |
= |
-62 |
* |
(38 |
/ |
269) |
= |
-8.75836428 |
7 |
41004 |
2587 |
- |
2567 |
= |
20 |
* |
(32 |
/ |
269) |
= |
2.37918214 |
8 |
41006 |
2654 |
- |
2586 |
= |
68 |
* |
(36 |
/ |
269) |
= |
9.10037173 |
11 |
41007 |
2602 |
- |
2628 |
= |
-26 |
* |
(48 |
/ |
269) |
= |
-4.63940519 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mendocino Unified
|
-7 |
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 |
41014 |
2467 |
- |
2436 |
= |
31 |
* |
(30 |
/ |
266) |
= |
3.49624057 |
4 |
41017 |
2476 |
- |
2485 |
= |
-9 |
* |
(32 |
/ |
266) |
= |
-1.08270676 |
5 |
41018 |
2527 |
- |
2528 |
= |
-1 |
* |
(44 |
/ |
266) |
= |
-0.16541353 |
6 |
41021 |
2501 |
- |
2552 |
= |
-51 |
* |
(47 |
/ |
266) |
= |
-9.01127818 |
7 |
41022 |
2568 |
- |
2567 |
= |
1 |
* |
(42 |
/ |
266) |
= |
0.15789474 |
8 |
41025 |
2612 |
- |
2586 |
= |
26 |
* |
(32 |
/ |
266) |
= |
3.12781953 |
11 |
41026 |
2548 |
- |
2628 |
= |
-80 |
* |
(39 |
/ |
266) |
= |
-11.72932328 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mendocino Unified
|
-15 |
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 |
41170 |
2444 |
- |
2436 |
= |
8 |
* |
(35 |
/ |
277) |
= |
1.01083032 |
4 |
41171 |
2463 |
- |
2485 |
= |
-22 |
* |
(33 |
/ |
277) |
= |
-2.62093863 |
5 |
41172 |
2510 |
- |
2528 |
= |
-18 |
* |
(31 |
/ |
277) |
= |
-2.01444043 |
6 |
41173 |
2509 |
- |
2552 |
= |
-43 |
* |
(50 |
/ |
277) |
= |
-7.76173285 |
7 |
41174 |
2523 |
- |
2567 |
= |
-44 |
* |
(42 |
/ |
277) |
= |
-6.67148011 |
8 |
41175 |
2587 |
- |
2586 |
= |
1 |
* |
(49 |
/ |
277) |
= |
0.17689531 |
11 |
41176 |
2583 |
- |
2628 |
= |
-45 |
* |
(37 |
/ |
277) |
= |
-6.01083032 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mendocino Unified
|
-24 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-20
|
-15
|
-7
|
-15
|
-24
|
-81.0 |
-16.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.2
For the lines, you have the data necessary to plot the chart.