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 |
383109 |
2380 |
- |
2436 |
= |
-56 |
* |
(255 |
/ |
1549) |
= |
-9.21885082 |
4 |
383112 |
2418 |
- |
2485 |
= |
-67 |
* |
(252 |
/ |
1549) |
= |
-10.8999354 |
5 |
383113 |
2441 |
- |
2528 |
= |
-87 |
* |
(219 |
/ |
1549) |
= |
-12.30019363 |
6 |
383116 |
2461 |
- |
2552 |
= |
-91 |
* |
(206 |
/ |
1549) |
= |
-12.10200128 |
7 |
383117 |
2459 |
- |
2567 |
= |
-108 |
* |
(202 |
/ |
1549) |
= |
-14.08392511 |
8 |
383120 |
2469 |
- |
2586 |
= |
-117 |
* |
(223 |
/ |
1549) |
= |
-16.8437701 |
11 |
383121 |
2493 |
- |
2628 |
= |
-135 |
* |
(192 |
/ |
1549) |
= |
-16.73337636 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mendota Unified
|
-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 |
11620 |
2394 |
- |
2436 |
= |
-42 |
* |
(267 |
/ |
1605) |
= |
-6.98691588 |
4 |
11622 |
2447 |
- |
2485 |
= |
-38 |
* |
(261 |
/ |
1605) |
= |
-6.17943924 |
5 |
11623 |
2452 |
- |
2528 |
= |
-76 |
* |
(250 |
/ |
1605) |
= |
-11.83800616 |
6 |
11626 |
2472 |
- |
2552 |
= |
-80 |
* |
(214 |
/ |
1605) |
= |
-10.66666664 |
7 |
11628 |
2479 |
- |
2567 |
= |
-88 |
* |
(204 |
/ |
1605) |
= |
-11.18504666 |
8 |
11630 |
2497 |
- |
2586 |
= |
-89 |
* |
(211 |
/ |
1605) |
= |
-11.70031149 |
11 |
11632 |
2487 |
- |
2628 |
= |
-141 |
* |
(198 |
/ |
1605) |
= |
-17.39439239 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mendota Unified
|
-76 |
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 |
11947 |
2404 |
- |
2436 |
= |
-32 |
* |
(282 |
/ |
1693) |
= |
-5.3301831 |
4 |
11950 |
2431 |
- |
2485 |
= |
-54 |
* |
(262 |
/ |
1693) |
= |
-8.35676314 |
5 |
11951 |
2460 |
- |
2528 |
= |
-68 |
* |
(260 |
/ |
1693) |
= |
-10.44300058 |
6 |
11953 |
2459 |
- |
2552 |
= |
-93 |
* |
(242 |
/ |
1693) |
= |
-13.29356164 |
7 |
11955 |
2466 |
- |
2567 |
= |
-101 |
* |
(221 |
/ |
1693) |
= |
-13.18428821 |
8 |
11958 |
2488 |
- |
2586 |
= |
-98 |
* |
(207 |
/ |
1693) |
= |
-11.98227997 |
11 |
11959 |
2490 |
- |
2628 |
= |
-138 |
* |
(219 |
/ |
1693) |
= |
-17.85115174 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mendota Unified
|
-80 |
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 |
11983 |
2419 |
- |
2436 |
= |
-17 |
* |
(261 |
/ |
1772) |
= |
-2.50395033 |
4 |
11985 |
2433 |
- |
2485 |
= |
-52 |
* |
(282 |
/ |
1772) |
= |
-8.27539502 |
5 |
11987 |
2480 |
- |
2528 |
= |
-48 |
* |
(262 |
/ |
1772) |
= |
-7.09706544 |
6 |
11989 |
2460 |
- |
2552 |
= |
-92 |
* |
(254 |
/ |
1772) |
= |
-13.18735884 |
7 |
11991 |
2488 |
- |
2567 |
= |
-79 |
* |
(251 |
/ |
1772) |
= |
-11.19018055 |
8 |
11993 |
2488 |
- |
2586 |
= |
-98 |
* |
(232 |
/ |
1772) |
= |
-12.83069969 |
11 |
11995 |
2499 |
- |
2628 |
= |
-129 |
* |
(230 |
/ |
1772) |
= |
-16.74379223 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mendota Unified
|
-72 |
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 |
12079 |
2415 |
- |
2436 |
= |
-21 |
* |
(297 |
/ |
1813) |
= |
-3.44015444 |
4 |
12080 |
2435 |
- |
2485 |
= |
-50 |
* |
(261 |
/ |
1813) |
= |
-7.1980143 |
5 |
12081 |
2486 |
- |
2528 |
= |
-42 |
* |
(284 |
/ |
1813) |
= |
-6.57915056 |
6 |
12082 |
2490 |
- |
2552 |
= |
-62 |
* |
(266 |
/ |
1813) |
= |
-9.09652505 |
7 |
12083 |
2477 |
- |
2567 |
= |
-90 |
* |
(275 |
/ |
1813) |
= |
-13.65140646 |
8 |
12084 |
2518 |
- |
2586 |
= |
-68 |
* |
(246 |
/ |
1813) |
= |
-9.22669608 |
11 |
12085 |
2538 |
- |
2628 |
= |
-90 |
* |
(184 |
/ |
1813) |
= |
-9.13403196 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mendota Unified
|
-58 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-92
|
-76
|
-80
|
-72
|
-58
|
-378.0 |
-75.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -39.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.6
For the lines, you have the data necessary to plot the chart.