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 |
465469 |
2365 |
- |
2436 |
= |
-71 |
* |
(355 |
/ |
2017) |
= |
-12.49628159 |
4 |
465470 |
2408 |
- |
2485 |
= |
-77 |
* |
(345 |
/ |
2017) |
= |
-13.17055032 |
5 |
465473 |
2442 |
- |
2528 |
= |
-86 |
* |
(297 |
/ |
2017) |
= |
-12.66336137 |
6 |
465474 |
2456 |
- |
2552 |
= |
-96 |
* |
(286 |
/ |
2017) |
= |
-13.61229542 |
7 |
465477 |
2457 |
- |
2567 |
= |
-110 |
* |
(371 |
/ |
2017) |
= |
-20.23301929 |
8 |
465478 |
2476 |
- |
2586 |
= |
-110 |
* |
(363 |
/ |
2017) |
= |
-19.79672772 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Arvin Union
|
-92 |
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 |
14785 |
2379 |
- |
2436 |
= |
-57 |
* |
(331 |
/ |
1982) |
= |
-9.51917254 |
4 |
14787 |
2412 |
- |
2485 |
= |
-73 |
* |
(354 |
/ |
1982) |
= |
-13.03834509 |
5 |
14790 |
2437 |
- |
2528 |
= |
-91 |
* |
(344 |
/ |
1982) |
= |
-15.79414728 |
6 |
14791 |
2473 |
- |
2552 |
= |
-79 |
* |
(293 |
/ |
1982) |
= |
-11.67860745 |
7 |
14793 |
2456 |
- |
2567 |
= |
-111 |
* |
(271 |
/ |
1982) |
= |
-15.17709383 |
8 |
14795 |
2475 |
- |
2586 |
= |
-111 |
* |
(389 |
/ |
1982) |
= |
-21.78557007 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Arvin Union
|
-87 |
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 |
15102 |
2391 |
- |
2436 |
= |
-45 |
* |
(365 |
/ |
1944) |
= |
-8.44907405 |
4 |
15104 |
2428 |
- |
2485 |
= |
-57 |
* |
(329 |
/ |
1944) |
= |
-9.64660493 |
5 |
15106 |
2449 |
- |
2528 |
= |
-79 |
* |
(342 |
/ |
1944) |
= |
-13.89814808 |
6 |
15109 |
2475 |
- |
2552 |
= |
-77 |
* |
(337 |
/ |
1944) |
= |
-13.34825099 |
7 |
15110 |
2468 |
- |
2567 |
= |
-99 |
* |
(288 |
/ |
1944) |
= |
-14.66666665 |
8 |
15113 |
2482 |
- |
2586 |
= |
-104 |
* |
(283 |
/ |
1944) |
= |
-15.13991762 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Arvin Union
|
-75 |
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 |
15125 |
2385 |
- |
2436 |
= |
-51 |
* |
(323 |
/ |
1984) |
= |
-8.30292337 |
4 |
15128 |
2430 |
- |
2485 |
= |
-55 |
* |
(365 |
/ |
1984) |
= |
-10.11844757 |
5 |
15129 |
2469 |
- |
2528 |
= |
-59 |
* |
(324 |
/ |
1984) |
= |
-9.63508061 |
6 |
15132 |
2482 |
- |
2552 |
= |
-70 |
* |
(349 |
/ |
1984) |
= |
-12.31350806 |
7 |
15133 |
2454 |
- |
2567 |
= |
-113 |
* |
(335 |
/ |
1984) |
= |
-19.08014108 |
8 |
15136 |
2495 |
- |
2586 |
= |
-91 |
* |
(288 |
/ |
1984) |
= |
-13.20967739 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Arvin Union
|
-73 |
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 |
15238 |
2388 |
- |
2436 |
= |
-48 |
* |
(338 |
/ |
2011) |
= |
-8.06762803 |
4 |
15239 |
2427 |
- |
2485 |
= |
-58 |
* |
(326 |
/ |
2011) |
= |
-9.40228737 |
5 |
15240 |
2461 |
- |
2528 |
= |
-67 |
* |
(365 |
/ |
2011) |
= |
-12.16061658 |
6 |
15241 |
2478 |
- |
2552 |
= |
-74 |
* |
(319 |
/ |
2011) |
= |
-11.73843855 |
7 |
15242 |
2472 |
- |
2567 |
= |
-95 |
* |
(334 |
/ |
2011) |
= |
-15.77821978 |
8 |
15243 |
2470 |
- |
2586 |
= |
-116 |
* |
(329 |
/ |
2011) |
= |
-18.97762297 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Arvin Union
|
-76 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-92
|
-87
|
-75
|
-73
|
-76
|
-403.0 |
-80.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.6
For the lines, you have the data necessary to plot the chart.