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 |
1320720 |
2356 |
- |
2436 |
= |
-80 |
* |
(141 |
/ |
986) |
= |
-11.44016224 |
4 |
1320721 |
2392 |
- |
2485 |
= |
-93 |
* |
(141 |
/ |
986) |
= |
-13.2991886 |
5 |
1320724 |
2441 |
- |
2528 |
= |
-87 |
* |
(122 |
/ |
986) |
= |
-10.76470584 |
6 |
1320725 |
2436 |
- |
2552 |
= |
-116 |
* |
(142 |
/ |
986) |
= |
-16.70588233 |
7 |
1320728 |
2481 |
- |
2567 |
= |
-86 |
* |
(146 |
/ |
986) |
= |
-12.73427989 |
8 |
1320729 |
2483 |
- |
2586 |
= |
-103 |
* |
(159 |
/ |
986) |
= |
-16.60953342 |
11 |
1320732 |
2533 |
- |
2628 |
= |
-95 |
* |
(135 |
/ |
986) |
= |
-13.00709933 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Gustine Unified
|
-95 |
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 |
41445 |
2361 |
- |
2436 |
= |
-75 |
* |
(133 |
/ |
979) |
= |
-10.18896833 |
4 |
41447 |
2397 |
- |
2485 |
= |
-88 |
* |
(144 |
/ |
979) |
= |
-12.94382021 |
5 |
41448 |
2431 |
- |
2528 |
= |
-97 |
* |
(150 |
/ |
979) |
= |
-14.8621041 |
6 |
41451 |
2453 |
- |
2552 |
= |
-99 |
* |
(116 |
/ |
979) |
= |
-11.73033705 |
7 |
41452 |
2456 |
- |
2567 |
= |
-111 |
* |
(140 |
/ |
979) |
= |
-15.8733401 |
8 |
41454 |
2501 |
- |
2586 |
= |
-85 |
* |
(152 |
/ |
979) |
= |
-13.19713987 |
11 |
41456 |
2534 |
- |
2628 |
= |
-94 |
* |
(144 |
/ |
979) |
= |
-13.8263534 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Gustine Unified
|
-93 |
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 |
42461 |
2387 |
- |
2436 |
= |
-49 |
* |
(122 |
/ |
968) |
= |
-6.17561979 |
4 |
42463 |
2418 |
- |
2485 |
= |
-67 |
* |
(136 |
/ |
968) |
= |
-9.41322309 |
5 |
42466 |
2425 |
- |
2528 |
= |
-103 |
* |
(148 |
/ |
968) |
= |
-15.74793378 |
6 |
42467 |
2425 |
- |
2552 |
= |
-127 |
* |
(154 |
/ |
968) |
= |
-20.20454544 |
7 |
42469 |
2481 |
- |
2567 |
= |
-86 |
* |
(120 |
/ |
968) |
= |
-10.66115701 |
8 |
42471 |
2468 |
- |
2586 |
= |
-118 |
* |
(145 |
/ |
968) |
= |
-17.67561978 |
11 |
42473 |
2547 |
- |
2628 |
= |
-81 |
* |
(143 |
/ |
968) |
= |
-11.96590903 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Gustine Unified
|
-92 |
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 |
42474 |
2390 |
- |
2436 |
= |
-46 |
* |
(133 |
/ |
975) |
= |
-6.27487178 |
4 |
42477 |
2434 |
- |
2485 |
= |
-51 |
* |
(118 |
/ |
975) |
= |
-6.17230769 |
5 |
42478 |
2441 |
- |
2528 |
= |
-87 |
* |
(143 |
/ |
975) |
= |
-12.75999994 |
6 |
42481 |
2433 |
- |
2552 |
= |
-119 |
* |
(147 |
/ |
975) |
= |
-17.94153837 |
7 |
42482 |
2466 |
- |
2567 |
= |
-101 |
* |
(150 |
/ |
975) |
= |
-15.53846145 |
8 |
42485 |
2495 |
- |
2586 |
= |
-91 |
* |
(126 |
/ |
975) |
= |
-11.75999998 |
11 |
42486 |
2507 |
- |
2628 |
= |
-121 |
* |
(158 |
/ |
975) |
= |
-19.60820512 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Gustine Unified
|
-90 |
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 |
42618 |
2385 |
- |
2436 |
= |
-51 |
* |
(129 |
/ |
983) |
= |
-6.69277718 |
4 |
42619 |
2421 |
- |
2485 |
= |
-64 |
* |
(139 |
/ |
983) |
= |
-9.04984736 |
5 |
42620 |
2478 |
- |
2528 |
= |
-50 |
* |
(128 |
/ |
983) |
= |
-6.51068155 |
6 |
42621 |
2441 |
- |
2552 |
= |
-111 |
* |
(131 |
/ |
983) |
= |
-14.79247194 |
7 |
42622 |
2473 |
- |
2567 |
= |
-94 |
* |
(152 |
/ |
983) |
= |
-14.53509658 |
8 |
42623 |
2450 |
- |
2586 |
= |
-136 |
* |
(157 |
/ |
983) |
= |
-21.72126135 |
11 |
42624 |
2527 |
- |
2628 |
= |
-101 |
* |
(147 |
/ |
983) |
= |
-15.10376392 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Gustine Unified
|
-88 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-95
|
-93
|
-92
|
-90
|
-88
|
-458.0 |
-91.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -85.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.6
For the lines, you have the data necessary to plot the chart.