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 |
3104937 |
2378 |
- |
2436 |
= |
-58 |
* |
(1047 |
/ |
5382) |
= |
-11.28316607 |
4 |
3104940 |
2420 |
- |
2485 |
= |
-65 |
* |
(973 |
/ |
5382) |
= |
-11.75120772 |
5 |
3104941 |
2447 |
- |
2528 |
= |
-81 |
* |
(896 |
/ |
5382) |
= |
-13.48494982 |
6 |
3104944 |
2475 |
- |
2552 |
= |
-77 |
* |
(864 |
/ |
5382) |
= |
-12.36120401 |
7 |
3104945 |
2485 |
- |
2567 |
= |
-82 |
* |
(786 |
/ |
5382) |
= |
-11.97547377 |
8 |
3104948 |
2495 |
- |
2586 |
= |
-91 |
* |
(816 |
/ |
5382) |
= |
-13.79710141 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hueneme Elementary
|
-75 |
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 |
95759 |
2389 |
- |
2436 |
= |
-47 |
* |
(992 |
/ |
5422) |
= |
-8.5990409 |
4 |
95760 |
2411 |
- |
2485 |
= |
-74 |
* |
(1027 |
/ |
5422) |
= |
-14.016599 |
5 |
95763 |
2438 |
- |
2528 |
= |
-90 |
* |
(954 |
/ |
5422) |
= |
-15.83548506 |
6 |
95764 |
2467 |
- |
2552 |
= |
-85 |
* |
(863 |
/ |
5422) |
= |
-13.52914052 |
7 |
95767 |
2496 |
- |
2567 |
= |
-71 |
* |
(823 |
/ |
5422) |
= |
-10.7770195 |
8 |
95768 |
2503 |
- |
2586 |
= |
-83 |
* |
(763 |
/ |
5422) |
= |
-11.68000734 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hueneme 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 |
98540 |
2394 |
- |
2436 |
= |
-42 |
* |
(892 |
/ |
5435) |
= |
-6.89310027 |
4 |
98541 |
2422 |
- |
2485 |
= |
-63 |
* |
(964 |
/ |
5435) |
= |
-11.17424102 |
5 |
98544 |
2435 |
- |
2528 |
= |
-93 |
* |
(997 |
/ |
5435) |
= |
-17.05998157 |
6 |
98546 |
2465 |
- |
2552 |
= |
-87 |
* |
(916 |
/ |
5435) |
= |
-14.66274145 |
7 |
98548 |
2485 |
- |
2567 |
= |
-82 |
* |
(842 |
/ |
5435) |
= |
-12.70358785 |
8 |
98550 |
2505 |
- |
2586 |
= |
-81 |
* |
(824 |
/ |
5435) |
= |
-12.28040474 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hueneme Elementary
|
-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 |
98716 |
2383 |
- |
2436 |
= |
-53 |
* |
(888 |
/ |
5422) |
= |
-8.68019176 |
4 |
98719 |
2421 |
- |
2485 |
= |
-64 |
* |
(892 |
/ |
5422) |
= |
-10.5289561 |
5 |
98720 |
2443 |
- |
2528 |
= |
-85 |
* |
(936 |
/ |
5422) |
= |
-14.67355213 |
6 |
98723 |
2453 |
- |
2552 |
= |
-99 |
* |
(990 |
/ |
5422) |
= |
-18.07635555 |
7 |
98724 |
2471 |
- |
2567 |
= |
-96 |
* |
(893 |
/ |
5422) |
= |
-15.81113971 |
8 |
98727 |
2486 |
- |
2586 |
= |
-100 |
* |
(823 |
/ |
5422) |
= |
-15.1789007 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hueneme Elementary
|
-83 |
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 |
99398 |
2390 |
- |
2436 |
= |
-46 |
* |
(891 |
/ |
5368) |
= |
-7.63524588 |
4 |
99399 |
2424 |
- |
2485 |
= |
-61 |
* |
(872 |
/ |
5368) |
= |
-9.90909089 |
5 |
99400 |
2450 |
- |
2528 |
= |
-78 |
* |
(859 |
/ |
5368) |
= |
-12.48174361 |
6 |
99401 |
2461 |
- |
2552 |
= |
-91 |
* |
(899 |
/ |
5368) |
= |
-15.24012663 |
7 |
99402 |
2460 |
- |
2567 |
= |
-107 |
* |
(969 |
/ |
5368) |
= |
-19.3150148 |
8 |
99403 |
2478 |
- |
2586 |
= |
-108 |
* |
(878 |
/ |
5368) |
= |
-17.66467948 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hueneme Elementary
|
-82 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-75
|
-74
|
-75
|
-83
|
-82
|
-389.0 |
-77.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.8
For the lines, you have the data necessary to plot the chart.