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 |
25961 |
2420 |
- |
2436 |
= |
-16 |
* |
(56 |
/ |
355) |
= |
-2.52394365 |
4 |
25964 |
2433 |
- |
2485 |
= |
-52 |
* |
(61 |
/ |
355) |
= |
-8.93521122 |
5 |
25965 |
2437 |
- |
2528 |
= |
-91 |
* |
(53 |
/ |
355) |
= |
-13.58591543 |
6 |
25968 |
2426 |
- |
2552 |
= |
-126 |
* |
(37 |
/ |
355) |
= |
-13.13239435 |
7 |
25969 |
2479 |
- |
2567 |
= |
-88 |
* |
(50 |
/ |
355) |
= |
-12.39436616 |
8 |
25972 |
2476 |
- |
2586 |
= |
-110 |
* |
(47 |
/ |
355) |
= |
-14.56338026 |
11 |
25973 |
2509 |
- |
2628 |
= |
-119 |
* |
(51 |
/ |
355) |
= |
-17.09577455 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Emery Unified
|
-82 |
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 |
690 |
2422 |
- |
2436 |
= |
-14 |
* |
(58 |
/ |
348) |
= |
-2.33333332 |
4 |
692 |
2470 |
- |
2485 |
= |
-15 |
* |
(57 |
/ |
348) |
= |
-2.45689655 |
5 |
694 |
2446 |
- |
2528 |
= |
-82 |
* |
(62 |
/ |
348) |
= |
-14.60919536 |
6 |
696 |
2435 |
- |
2552 |
= |
-117 |
* |
(53 |
/ |
348) |
= |
-17.81896545 |
7 |
698 |
2465 |
- |
2567 |
= |
-102 |
* |
(33 |
/ |
348) |
= |
-9.67241377 |
8 |
700 |
2494 |
- |
2586 |
= |
-92 |
* |
(49 |
/ |
348) |
= |
-12.95402292 |
11 |
702 |
2516 |
- |
2628 |
= |
-112 |
* |
(36 |
/ |
348) |
= |
-11.5862068 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Emery Unified
|
-71 |
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 |
732 |
2402 |
- |
2436 |
= |
-34 |
* |
(62 |
/ |
351) |
= |
-6.00569798 |
4 |
734 |
2439 |
- |
2485 |
= |
-46 |
* |
(50 |
/ |
351) |
= |
-6.55270653 |
5 |
736 |
2502 |
- |
2528 |
= |
-26 |
* |
(50 |
/ |
351) |
= |
-3.70370369 |
6 |
737 |
2432 |
- |
2552 |
= |
-120 |
* |
(57 |
/ |
351) |
= |
-19.48717944 |
7 |
740 |
2438 |
- |
2567 |
= |
-129 |
* |
(58 |
/ |
351) |
= |
-21.31623929 |
8 |
742 |
2457 |
- |
2586 |
= |
-129 |
* |
(33 |
/ |
351) |
= |
-12.12820513 |
11 |
744 |
2499 |
- |
2628 |
= |
-129 |
* |
(41 |
/ |
351) |
= |
-15.06837596 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Emery Unified
|
-84 |
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 |
751 |
2354 |
- |
2436 |
= |
-82 |
* |
(39 |
/ |
340) |
= |
-9.40588232 |
4 |
753 |
2460 |
- |
2485 |
= |
-25 |
* |
(60 |
/ |
340) |
= |
-4.4117647 |
5 |
755 |
2431 |
- |
2528 |
= |
-97 |
* |
(49 |
/ |
340) |
= |
-13.97941176 |
6 |
757 |
2475 |
- |
2552 |
= |
-77 |
* |
(51 |
/ |
340) |
= |
-11.55 |
7 |
759 |
2476 |
- |
2567 |
= |
-91 |
* |
(49 |
/ |
340) |
= |
-13.11470588 |
8 |
761 |
2477 |
- |
2586 |
= |
-109 |
* |
(54 |
/ |
340) |
= |
-17.31176466 |
11 |
763 |
2549 |
- |
2628 |
= |
-79 |
* |
(38 |
/ |
340) |
= |
-8.8294117 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Emery Unified
|
-79 |
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 |
785 |
2390 |
- |
2436 |
= |
-46 |
* |
(64 |
/ |
377) |
= |
-7.80901856 |
4 |
786 |
2433 |
- |
2485 |
= |
-52 |
* |
(40 |
/ |
377) |
= |
-5.51724134 |
5 |
787 |
2462 |
- |
2528 |
= |
-66 |
* |
(57 |
/ |
377) |
= |
-9.97877978 |
6 |
788 |
2453 |
- |
2552 |
= |
-99 |
* |
(52 |
/ |
377) |
= |
-13.65517237 |
7 |
789 |
2532 |
- |
2567 |
= |
-35 |
* |
(53 |
/ |
377) |
= |
-4.92042439 |
8 |
790 |
2519 |
- |
2586 |
= |
-67 |
* |
(56 |
/ |
377) |
= |
-9.95225464 |
11 |
791 |
2557 |
- |
2628 |
= |
-71 |
* |
(55 |
/ |
377) |
= |
-10.35809017 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Emery Unified
|
-62 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-82
|
-71
|
-84
|
-79
|
-62
|
-378.0 |
-75.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -102.6
For the lines, you have the data necessary to plot the chart.