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 |
724697 |
2399 |
- |
2436 |
= |
-37 |
* |
(23 |
/ |
156) |
= |
-5.45512819 |
4 |
724700 |
2420 |
- |
2485 |
= |
-65 |
* |
(32 |
/ |
156) |
= |
-13.33333333 |
5 |
724701 |
2510 |
- |
2528 |
= |
-18 |
* |
(22 |
/ |
156) |
= |
-2.53846154 |
6 |
724704 |
2542 |
- |
2552 |
= |
-10 |
* |
(29 |
/ |
156) |
= |
-1.85897435 |
7 |
724705 |
2517 |
- |
2567 |
= |
-50 |
* |
(22 |
/ |
156) |
= |
-7.05128205 |
8 |
724708 |
2554 |
- |
2586 |
= |
-32 |
* |
(28 |
/ |
156) |
= |
-5.74358973 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hughes-Elizabeth Lakes 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 |
22815 |
2445 |
- |
2436 |
= |
9 |
* |
(19 |
/ |
127) |
= |
1.34645669 |
4 |
22816 |
2456 |
- |
2485 |
= |
-29 |
* |
(19 |
/ |
127) |
= |
-4.33858267 |
5 |
22819 |
2498 |
- |
2528 |
= |
-30 |
* |
(27 |
/ |
127) |
= |
-6.37795275 |
6 |
22820 |
2530 |
- |
2552 |
= |
-22 |
* |
(21 |
/ |
127) |
= |
-3.63779526 |
7 |
22822 |
2515 |
- |
2567 |
= |
-52 |
* |
(22 |
/ |
127) |
= |
-9.00787399 |
8 |
22825 |
2485 |
- |
2586 |
= |
-101 |
* |
(19 |
/ |
127) |
= |
-15.1102362 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hughes-Elizabeth Lakes Union Elementary
|
-37 |
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 |
23246 |
2440 |
- |
2436 |
= |
4 |
* |
(17 |
/ |
113) |
= |
0.60176991 |
4 |
23248 |
2472 |
- |
2485 |
= |
-13 |
* |
(15 |
/ |
113) |
= |
-1.72566371 |
5 |
23250 |
2475 |
- |
2528 |
= |
-53 |
* |
(17 |
/ |
113) |
= |
-7.97345128 |
6 |
23251 |
2525 |
- |
2552 |
= |
-27 |
* |
(28 |
/ |
113) |
= |
-6.69026547 |
7 |
23253 |
2531 |
- |
2567 |
= |
-36 |
* |
(16 |
/ |
113) |
= |
-5.09734512 |
8 |
23256 |
2518 |
- |
2586 |
= |
-68 |
* |
(20 |
/ |
113) |
= |
-12.0353982 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hughes-Elizabeth Lakes Union Elementary
|
-33 |
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 |
23252 |
2446 |
- |
2436 |
= |
10 |
* |
(18 |
/ |
99) |
= |
1.81818181 |
4 |
23254 |
2460 |
- |
2485 |
= |
-25 |
* |
(20 |
/ |
99) |
= |
-5.05050505 |
5 |
23256 |
2498 |
- |
2528 |
= |
-30 |
* |
(14 |
/ |
99) |
= |
-4.24242423 |
6 |
23258 |
2538 |
- |
2552 |
= |
-14 |
* |
(11 |
/ |
99) |
= |
-1.55555555 |
7 |
23260 |
2526 |
- |
2567 |
= |
-41 |
* |
(21 |
/ |
99) |
= |
-8.69696969 |
8 |
23262 |
2500 |
- |
2586 |
= |
-86 |
* |
(15 |
/ |
99) |
= |
-13.03030299 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hughes-Elizabeth Lakes Union Elementary
|
-31 |
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 |
23429 |
2439 |
- |
2436 |
= |
3 |
* |
(26 |
/ |
102) |
= |
0.76470588 |
4 |
23430 |
2470 |
- |
2485 |
= |
-15 |
* |
(16 |
/ |
102) |
= |
-2.35294118 |
5 |
23431 |
2487 |
- |
2528 |
= |
-41 |
* |
(16 |
/ |
102) |
= |
-6.43137255 |
6 |
23432 |
2548 |
- |
2552 |
= |
-4 |
* |
(14 |
/ |
102) |
= |
-0.5490196 |
7 |
23433 |
2527 |
- |
2567 |
= |
-40 |
* |
(11 |
/ |
102) |
= |
-4.31372548 |
8 |
23434 |
2531 |
- |
2586 |
= |
-55 |
* |
(19 |
/ |
102) |
= |
-10.245098 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hughes-Elizabeth Lakes Union Elementary
|
-23 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-36
|
-37
|
-33
|
-31
|
-23
|
-160.0 |
-32.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.0
For the lines, you have the data necessary to plot the chart.