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 |
1402100 |
2425 |
- |
2436 |
= |
-11 |
* |
(56 |
/ |
350) |
= |
-1.76 |
4 |
1402103 |
2453 |
- |
2485 |
= |
-32 |
* |
(66 |
/ |
350) |
= |
-6.0342857 |
5 |
1402104 |
2490 |
- |
2528 |
= |
-38 |
* |
(55 |
/ |
350) |
= |
-5.97142857 |
6 |
1402107 |
2485 |
- |
2552 |
= |
-67 |
* |
(55 |
/ |
350) |
= |
-10.52857142 |
7 |
1402108 |
2539 |
- |
2567 |
= |
-28 |
* |
(61 |
/ |
350) |
= |
-4.87999999 |
8 |
1402111 |
2539 |
- |
2586 |
= |
-47 |
* |
(57 |
/ |
350) |
= |
-7.65428567 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Union Hill Elementary
|
-37 |
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 |
44219 |
2436 |
- |
2436 |
= |
0 |
* |
(64 |
/ |
364) |
= |
0.0 |
4 |
44221 |
2448 |
- |
2485 |
= |
-37 |
* |
(60 |
/ |
364) |
= |
-6.09890107 |
5 |
44222 |
2488 |
- |
2528 |
= |
-40 |
* |
(61 |
/ |
364) |
= |
-6.70329668 |
6 |
44225 |
2508 |
- |
2552 |
= |
-44 |
* |
(54 |
/ |
364) |
= |
-6.52747251 |
7 |
44226 |
2527 |
- |
2567 |
= |
-40 |
* |
(61 |
/ |
364) |
= |
-6.70329668 |
8 |
44229 |
2563 |
- |
2586 |
= |
-23 |
* |
(64 |
/ |
364) |
= |
-4.04395603 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Union Hill Elementary
|
-30 |
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 |
45303 |
2430 |
- |
2436 |
= |
-6 |
* |
(87 |
/ |
383) |
= |
-1.36292428 |
4 |
45305 |
2441 |
- |
2485 |
= |
-44 |
* |
(65 |
/ |
383) |
= |
-7.46736289 |
5 |
45307 |
2452 |
- |
2528 |
= |
-76 |
* |
(66 |
/ |
383) |
= |
-13.09660568 |
6 |
45310 |
2504 |
- |
2552 |
= |
-48 |
* |
(60 |
/ |
383) |
= |
-7.51958222 |
7 |
45311 |
2540 |
- |
2567 |
= |
-27 |
* |
(54 |
/ |
383) |
= |
-3.80678851 |
8 |
45314 |
2516 |
- |
2586 |
= |
-70 |
* |
(51 |
/ |
383) |
= |
-9.32114876 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Union Hill Elementary
|
-43 |
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 |
45329 |
2430 |
- |
2436 |
= |
-6 |
* |
(70 |
/ |
407) |
= |
-1.03194103 |
4 |
45330 |
2477 |
- |
2485 |
= |
-8 |
* |
(86 |
/ |
407) |
= |
-1.69041769 |
5 |
45333 |
2499 |
- |
2528 |
= |
-29 |
* |
(70 |
/ |
407) |
= |
-4.98771496 |
6 |
45334 |
2494 |
- |
2552 |
= |
-58 |
* |
(67 |
/ |
407) |
= |
-9.54791151 |
7 |
45337 |
2531 |
- |
2567 |
= |
-36 |
* |
(58 |
/ |
407) |
= |
-5.13022111 |
8 |
45338 |
2604 |
- |
2586 |
= |
18 |
* |
(56 |
/ |
407) |
= |
2.47665847 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Union Hill Elementary
|
-20 |
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 |
45463 |
2434 |
- |
2436 |
= |
-2 |
* |
(69 |
/ |
409) |
= |
-0.33740831 |
4 |
45464 |
2471 |
- |
2485 |
= |
-14 |
* |
(73 |
/ |
409) |
= |
-2.4987775 |
5 |
45465 |
2505 |
- |
2528 |
= |
-23 |
* |
(80 |
/ |
409) |
= |
-4.49877751 |
6 |
45466 |
2511 |
- |
2552 |
= |
-41 |
* |
(70 |
/ |
409) |
= |
-7.0171149 |
7 |
45467 |
2524 |
- |
2567 |
= |
-43 |
* |
(63 |
/ |
409) |
= |
-6.62347185 |
8 |
45468 |
2608 |
- |
2586 |
= |
22 |
* |
(54 |
/ |
409) |
= |
2.90464546 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Union Hill Elementary
|
-18 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-37
|
-30
|
-43
|
-20
|
-18
|
-148.0 |
-29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -59.6
For the lines, you have the data necessary to plot the chart.