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 |
155970 |
2398 |
- |
2436 |
= |
-38 |
* |
(160 |
/ |
855) |
= |
-7.11111108 |
4 |
155971 |
2414 |
- |
2485 |
= |
-71 |
* |
(144 |
/ |
855) |
= |
-11.95789469 |
5 |
155974 |
2430 |
- |
2528 |
= |
-98 |
* |
(137 |
/ |
855) |
= |
-15.70292396 |
6 |
155975 |
2428 |
- |
2552 |
= |
-124 |
* |
(138 |
/ |
855) |
= |
-20.01403499 |
7 |
155978 |
2473 |
- |
2567 |
= |
-94 |
* |
(139 |
/ |
855) |
= |
-15.28187131 |
8 |
155979 |
2505 |
- |
2586 |
= |
-81 |
* |
(137 |
/ |
855) |
= |
-12.97894736 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Thermalito Union Elementary
|
-83 |
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 |
4590 |
2397 |
- |
2436 |
= |
-39 |
* |
(162 |
/ |
896) |
= |
-7.05133927 |
4 |
4592 |
2449 |
- |
2485 |
= |
-36 |
* |
(171 |
/ |
896) |
= |
-6.8705357 |
5 |
4594 |
2448 |
- |
2528 |
= |
-80 |
* |
(143 |
/ |
896) |
= |
-12.76785712 |
6 |
4595 |
2427 |
- |
2552 |
= |
-125 |
* |
(142 |
/ |
896) |
= |
-19.81026775 |
7 |
4598 |
2468 |
- |
2567 |
= |
-99 |
* |
(135 |
/ |
896) |
= |
-14.91629456 |
8 |
4600 |
2506 |
- |
2586 |
= |
-80 |
* |
(143 |
/ |
896) |
= |
-12.76785712 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Thermalito Union Elementary
|
-74 |
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 |
4682 |
2399 |
- |
2436 |
= |
-37 |
* |
(147 |
/ |
900) |
= |
-6.04333332 |
4 |
4683 |
2434 |
- |
2485 |
= |
-51 |
* |
(161 |
/ |
900) |
= |
-9.12333329 |
5 |
4685 |
2466 |
- |
2528 |
= |
-62 |
* |
(171 |
/ |
900) |
= |
-11.78 |
6 |
4688 |
2466 |
- |
2552 |
= |
-86 |
* |
(136 |
/ |
900) |
= |
-12.99555555 |
7 |
4689 |
2485 |
- |
2567 |
= |
-82 |
* |
(151 |
/ |
900) |
= |
-13.75777771 |
8 |
4692 |
2494 |
- |
2586 |
= |
-92 |
* |
(134 |
/ |
900) |
= |
-13.6977777 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Thermalito Union Elementary
|
-67 |
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 |
4670 |
2400 |
- |
2436 |
= |
-36 |
* |
(162 |
/ |
941) |
= |
-6.19766204 |
4 |
4671 |
2444 |
- |
2485 |
= |
-41 |
* |
(154 |
/ |
941) |
= |
-6.70988309 |
5 |
4674 |
2461 |
- |
2528 |
= |
-67 |
* |
(171 |
/ |
941) |
= |
-12.17534532 |
6 |
4675 |
2464 |
- |
2552 |
= |
-88 |
* |
(159 |
/ |
941) |
= |
-14.86928793 |
7 |
4678 |
2479 |
- |
2567 |
= |
-88 |
* |
(150 |
/ |
941) |
= |
-14.02763014 |
8 |
4679 |
2493 |
- |
2586 |
= |
-93 |
* |
(145 |
/ |
941) |
= |
-14.33049946 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Thermalito Union Elementary
|
-68 |
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 |
4698 |
2390 |
- |
2436 |
= |
-46 |
* |
(181 |
/ |
981) |
= |
-8.48725788 |
4 |
4699 |
2435 |
- |
2485 |
= |
-50 |
* |
(169 |
/ |
981) |
= |
-8.6136595 |
5 |
4700 |
2451 |
- |
2528 |
= |
-77 |
* |
(159 |
/ |
981) |
= |
-12.48012227 |
6 |
4701 |
2452 |
- |
2552 |
= |
-100 |
* |
(181 |
/ |
981) |
= |
-18.4505606 |
7 |
4702 |
2484 |
- |
2567 |
= |
-83 |
* |
(150 |
/ |
981) |
= |
-12.69113143 |
8 |
4703 |
2505 |
- |
2586 |
= |
-81 |
* |
(141 |
/ |
981) |
= |
-11.64220177 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Thermalito Union Elementary
|
-72 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-83
|
-74
|
-67
|
-68
|
-72
|
-364.0 |
-72.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.8
For the lines, you have the data necessary to plot the chart.