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 |
2926000 |
2408 |
- |
2436 |
= |
-28 |
* |
(74 |
/ |
658) |
= |
-3.14893617 |
4 |
2926001 |
2426 |
- |
2485 |
= |
-59 |
* |
(89 |
/ |
658) |
= |
-7.98024312 |
5 |
2926004 |
2471 |
- |
2528 |
= |
-57 |
* |
(73 |
/ |
658) |
= |
-6.32370819 |
6 |
2926005 |
2496 |
- |
2552 |
= |
-56 |
* |
(93 |
/ |
658) |
= |
-7.91489362 |
7 |
2926008 |
2489 |
- |
2567 |
= |
-78 |
* |
(92 |
/ |
658) |
= |
-10.90577506 |
8 |
2926009 |
2529 |
- |
2586 |
= |
-57 |
* |
(90 |
/ |
658) |
= |
-7.79635256 |
11 |
2926012 |
2498 |
- |
2628 |
= |
-130 |
* |
(147 |
/ |
658) |
= |
-29.04255315 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Denair Unified
|
-73 |
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 |
89564 |
2396 |
- |
2436 |
= |
-40 |
* |
(78 |
/ |
685) |
= |
-4.55474452 |
4 |
89565 |
2434 |
- |
2485 |
= |
-51 |
* |
(77 |
/ |
685) |
= |
-5.73284671 |
5 |
89568 |
2450 |
- |
2528 |
= |
-78 |
* |
(87 |
/ |
685) |
= |
-9.90656932 |
6 |
89570 |
2469 |
- |
2552 |
= |
-83 |
* |
(89 |
/ |
685) |
= |
-10.78394158 |
7 |
89572 |
2500 |
- |
2567 |
= |
-67 |
* |
(95 |
/ |
685) |
= |
-9.29197078 |
8 |
89574 |
2503 |
- |
2586 |
= |
-83 |
* |
(91 |
/ |
685) |
= |
-11.02627735 |
11 |
89576 |
2490 |
- |
2628 |
= |
-138 |
* |
(168 |
/ |
685) |
= |
-33.84525541 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Denair Unified
|
-85 |
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 |
92175 |
2372 |
- |
2436 |
= |
-64 |
* |
(86 |
/ |
693) |
= |
-7.94227994 |
4 |
92177 |
2437 |
- |
2485 |
= |
-48 |
* |
(85 |
/ |
693) |
= |
-5.88744586 |
5 |
92179 |
2448 |
- |
2528 |
= |
-80 |
* |
(81 |
/ |
693) |
= |
-9.35064928 |
6 |
92182 |
2465 |
- |
2552 |
= |
-87 |
* |
(92 |
/ |
693) |
= |
-11.54978348 |
7 |
92183 |
2476 |
- |
2567 |
= |
-91 |
* |
(94 |
/ |
693) |
= |
-12.34343429 |
8 |
92185 |
2476 |
- |
2586 |
= |
-110 |
* |
(101 |
/ |
693) |
= |
-16.03174595 |
11 |
92188 |
2501 |
- |
2628 |
= |
-127 |
* |
(154 |
/ |
693) |
= |
-28.22222219 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Denair Unified
|
-91 |
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 |
92371 |
2403 |
- |
2436 |
= |
-33 |
* |
(67 |
/ |
613) |
= |
-3.60685152 |
4 |
92372 |
2431 |
- |
2485 |
= |
-54 |
* |
(88 |
/ |
613) |
= |
-7.75203912 |
5 |
92375 |
2438 |
- |
2528 |
= |
-90 |
* |
(78 |
/ |
613) |
= |
-11.45187594 |
6 |
92376 |
2463 |
- |
2552 |
= |
-89 |
* |
(79 |
/ |
613) |
= |
-11.46982053 |
7 |
92379 |
2442 |
- |
2567 |
= |
-125 |
* |
(93 |
/ |
613) |
= |
-18.96411088 |
8 |
92380 |
2448 |
- |
2586 |
= |
-138 |
* |
(93 |
/ |
613) |
= |
-20.93637841 |
11 |
92383 |
2487 |
- |
2628 |
= |
-141 |
* |
(115 |
/ |
613) |
= |
-26.45187594 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Denair Unified
|
-101 |
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 |
93007 |
2397 |
- |
2436 |
= |
-39 |
* |
(94 |
/ |
634) |
= |
-5.78233438 |
4 |
93008 |
2450 |
- |
2485 |
= |
-35 |
* |
(66 |
/ |
634) |
= |
-3.64353311 |
5 |
93009 |
2436 |
- |
2528 |
= |
-92 |
* |
(91 |
/ |
634) |
= |
-13.20504732 |
6 |
93010 |
2454 |
- |
2552 |
= |
-98 |
* |
(84 |
/ |
634) |
= |
-12.98422707 |
7 |
93011 |
2486 |
- |
2567 |
= |
-81 |
* |
(67 |
/ |
634) |
= |
-8.55993687 |
8 |
93012 |
2491 |
- |
2586 |
= |
-95 |
* |
(99 |
/ |
634) |
= |
-14.83438481 |
11 |
93013 |
2492 |
- |
2628 |
= |
-136 |
* |
(133 |
/ |
634) |
= |
-28.52996834 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Denair Unified
|
-88 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-73
|
-85
|
-91
|
-101
|
-88
|
-438.0 |
-87.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.6
For the lines, you have the data necessary to plot the chart.