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 |
2809938 |
2398 |
- |
2436 |
= |
-38 |
* |
(116 |
/ |
612) |
= |
-7.20261435 |
4 |
2809939 |
2453 |
- |
2485 |
= |
-32 |
* |
(103 |
/ |
612) |
= |
-5.3856209 |
5 |
2809942 |
2467 |
- |
2528 |
= |
-61 |
* |
(100 |
/ |
612) |
= |
-9.96732021 |
6 |
2809943 |
2526 |
- |
2552 |
= |
-26 |
* |
(97 |
/ |
612) |
= |
-4.12091503 |
7 |
2809946 |
2519 |
- |
2567 |
= |
-48 |
* |
(107 |
/ |
612) |
= |
-8.39215685 |
8 |
2809947 |
2580 |
- |
2586 |
= |
-6 |
* |
(89 |
/ |
612) |
= |
-0.87254902 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Yreka Union Elementary
|
-36 |
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 |
85988 |
2418 |
- |
2436 |
= |
-18 |
* |
(124 |
/ |
612) |
= |
-3.64705882 |
4 |
85990 |
2454 |
- |
2485 |
= |
-31 |
* |
(110 |
/ |
612) |
= |
-5.57189542 |
5 |
85992 |
2459 |
- |
2528 |
= |
-69 |
* |
(103 |
/ |
612) |
= |
-11.61274506 |
6 |
85994 |
2499 |
- |
2552 |
= |
-53 |
* |
(93 |
/ |
612) |
= |
-8.05392155 |
7 |
85996 |
2561 |
- |
2567 |
= |
-6 |
* |
(95 |
/ |
612) |
= |
-0.93137255 |
8 |
85998 |
2579 |
- |
2586 |
= |
-7 |
* |
(86 |
/ |
612) |
= |
-0.98366013 |
11 |
85999 |
0 |
- |
2628 |
= |
|
* |
(1 |
/ |
612) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Yreka Union Elementary
|
-31 |
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 |
88353 |
2426 |
- |
2436 |
= |
-10 |
* |
(107 |
/ |
632) |
= |
-1.69303797 |
4 |
88355 |
2436 |
- |
2485 |
= |
-49 |
* |
(119 |
/ |
632) |
= |
-9.22626581 |
5 |
88357 |
2452 |
- |
2528 |
= |
-76 |
* |
(121 |
/ |
632) |
= |
-14.5506329 |
6 |
88358 |
2503 |
- |
2552 |
= |
-49 |
* |
(103 |
/ |
632) |
= |
-7.98575947 |
7 |
88361 |
2545 |
- |
2567 |
= |
-22 |
* |
(94 |
/ |
632) |
= |
-3.27215189 |
8 |
88362 |
2591 |
- |
2586 |
= |
5 |
* |
(88 |
/ |
632) |
= |
0.69620253 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Yreka Union Elementary
|
-36 |
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 |
88584 |
2411 |
- |
2436 |
= |
-25 |
* |
(117 |
/ |
673) |
= |
-4.34621098 |
4 |
88585 |
2452 |
- |
2485 |
= |
-33 |
* |
(117 |
/ |
673) |
= |
-5.73699849 |
5 |
88588 |
2458 |
- |
2528 |
= |
-70 |
* |
(113 |
/ |
673) |
= |
-11.75334321 |
6 |
88589 |
2465 |
- |
2552 |
= |
-87 |
* |
(121 |
/ |
673) |
= |
-15.64190191 |
7 |
88592 |
2529 |
- |
2567 |
= |
-38 |
* |
(101 |
/ |
673) |
= |
-5.70282317 |
8 |
88593 |
2576 |
- |
2586 |
= |
-10 |
* |
(104 |
/ |
673) |
= |
-1.54531946 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Yreka Union Elementary
|
-45 |
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 |
89217 |
2406 |
- |
2436 |
= |
-30 |
* |
(92 |
/ |
640) |
= |
-4.3125 |
4 |
89218 |
2443 |
- |
2485 |
= |
-42 |
* |
(110 |
/ |
640) |
= |
-7.21875 |
5 |
89219 |
2470 |
- |
2528 |
= |
-58 |
* |
(114 |
/ |
640) |
= |
-10.33125 |
6 |
89220 |
2459 |
- |
2552 |
= |
-93 |
* |
(113 |
/ |
640) |
= |
-16.4203125 |
7 |
89221 |
2500 |
- |
2567 |
= |
-67 |
* |
(114 |
/ |
640) |
= |
-11.934375 |
8 |
89222 |
2561 |
- |
2586 |
= |
-25 |
* |
(97 |
/ |
640) |
= |
-3.7890625 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Yreka Union Elementary
|
-54 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-36
|
-31
|
-36
|
-45
|
-54
|
-202.0 |
-40.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.4
For the lines, you have the data necessary to plot the chart.