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 |
399226 |
2389 |
- |
2436 |
= |
-47 |
* |
(183 |
/ |
1128) |
= |
-7.62499997 |
4 |
399229 |
2418 |
- |
2485 |
= |
-67 |
* |
(161 |
/ |
1128) |
= |
-9.56294323 |
5 |
399230 |
2442 |
- |
2528 |
= |
-86 |
* |
(134 |
/ |
1128) |
= |
-10.21631204 |
6 |
399233 |
2444 |
- |
2552 |
= |
-108 |
* |
(163 |
/ |
1128) |
= |
-15.60638297 |
7 |
399234 |
2459 |
- |
2567 |
= |
-108 |
* |
(154 |
/ |
1128) |
= |
-14.74468078 |
8 |
399237 |
2480 |
- |
2586 |
= |
-106 |
* |
(146 |
/ |
1128) |
= |
-13.71985814 |
11 |
399238 |
2531 |
- |
2628 |
= |
-97 |
* |
(187 |
/ |
1128) |
= |
-16.08067368 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Orland Joint Unified
|
-88 |
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 |
12243 |
2377 |
- |
2436 |
= |
-59 |
* |
(143 |
/ |
1076) |
= |
-7.84107805 |
4 |
12245 |
2428 |
- |
2485 |
= |
-57 |
* |
(177 |
/ |
1076) |
= |
-9.37639404 |
5 |
12248 |
2442 |
- |
2528 |
= |
-86 |
* |
(152 |
/ |
1076) |
= |
-12.14869884 |
6 |
12250 |
2459 |
- |
2552 |
= |
-93 |
* |
(129 |
/ |
1076) |
= |
-11.14962818 |
7 |
12251 |
2467 |
- |
2567 |
= |
-100 |
* |
(161 |
/ |
1076) |
= |
-14.9628252 |
8 |
12253 |
2472 |
- |
2586 |
= |
-114 |
* |
(149 |
/ |
1076) |
= |
-15.7862453 |
11 |
12255 |
2543 |
- |
2628 |
= |
-85 |
* |
(165 |
/ |
1076) |
= |
-13.03438654 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Orland Joint Unified
|
-84 |
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 |
12581 |
2390 |
- |
2436 |
= |
-46 |
* |
(156 |
/ |
1058) |
= |
-6.78260869 |
4 |
12583 |
2407 |
- |
2485 |
= |
-78 |
* |
(143 |
/ |
1058) |
= |
-10.54253304 |
5 |
12584 |
2438 |
- |
2528 |
= |
-90 |
* |
(175 |
/ |
1058) |
= |
-14.88657843 |
6 |
12586 |
2442 |
- |
2552 |
= |
-110 |
* |
(148 |
/ |
1058) |
= |
-15.38752358 |
7 |
12589 |
2492 |
- |
2567 |
= |
-75 |
* |
(133 |
/ |
1058) |
= |
-9.4281663 |
8 |
12590 |
2491 |
- |
2586 |
= |
-95 |
* |
(148 |
/ |
1058) |
= |
-13.28922491 |
11 |
12593 |
2534 |
- |
2628 |
= |
-94 |
* |
(155 |
/ |
1058) |
= |
-13.77126649 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Orland Joint 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 |
12601 |
2375 |
- |
2436 |
= |
-61 |
* |
(157 |
/ |
1080) |
= |
-8.86759257 |
4 |
12604 |
2419 |
- |
2485 |
= |
-66 |
* |
(153 |
/ |
1080) |
= |
-9.34999996 |
5 |
12605 |
2421 |
- |
2528 |
= |
-107 |
* |
(148 |
/ |
1080) |
= |
-14.66296296 |
6 |
12608 |
2463 |
- |
2552 |
= |
-89 |
* |
(174 |
/ |
1080) |
= |
-14.33888888 |
7 |
12609 |
2472 |
- |
2567 |
= |
-95 |
* |
(150 |
/ |
1080) |
= |
-13.19444436 |
8 |
12612 |
2489 |
- |
2586 |
= |
-97 |
* |
(137 |
/ |
1080) |
= |
-12.30462955 |
11 |
12613 |
2551 |
- |
2628 |
= |
-77 |
* |
(161 |
/ |
1080) |
= |
-11.4787037 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Orland Joint Unified
|
-84 |
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 |
12703 |
2387 |
- |
2436 |
= |
-49 |
* |
(157 |
/ |
1141) |
= |
-6.74233125 |
4 |
12704 |
2429 |
- |
2485 |
= |
-56 |
* |
(161 |
/ |
1141) |
= |
-7.90184046 |
5 |
12705 |
2440 |
- |
2528 |
= |
-88 |
* |
(159 |
/ |
1141) |
= |
-12.26292725 |
6 |
12706 |
2447 |
- |
2552 |
= |
-105 |
* |
(147 |
/ |
1141) |
= |
-13.52760728 |
7 |
12707 |
2501 |
- |
2567 |
= |
-66 |
* |
(176 |
/ |
1141) |
= |
-10.18054336 |
8 |
12708 |
2516 |
- |
2586 |
= |
-70 |
* |
(149 |
/ |
1141) |
= |
-9.14110428 |
11 |
12709 |
2540 |
- |
2628 |
= |
-88 |
* |
(192 |
/ |
1141) |
= |
-14.80806307 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Orland Joint Unified
|
-75 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-88
|
-84
|
-84
|
-84
|
-75
|
-415.0 |
-83.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -71.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -95.0
For the lines, you have the data necessary to plot the chart.