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 |
3089389 |
2410 |
- |
2436 |
= |
-26 |
* |
(11 |
/ |
79) |
= |
-3.62025316 |
4 |
3089392 |
2425 |
- |
2485 |
= |
-60 |
* |
(15 |
/ |
79) |
= |
-11.39240502 |
5 |
3089393 |
2460 |
- |
2528 |
= |
-68 |
* |
(15 |
/ |
79) |
= |
-12.91139236 |
6 |
3089396 |
2508 |
- |
2552 |
= |
-44 |
* |
(17 |
/ |
79) |
= |
-9.46835441 |
7 |
3089397 |
0 |
- |
2567 |
= |
|
* |
(7 |
/ |
79) |
= |
|
8 |
3089400 |
2572 |
- |
2586 |
= |
-14 |
* |
(14 |
/ |
79) |
= |
-2.48101265 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Belleview Elementary
|
-40 |
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 |
95163 |
2431 |
- |
2436 |
= |
-5 |
* |
(16 |
/ |
75) |
= |
-1.06666667 |
4 |
95164 |
2443 |
- |
2485 |
= |
-42 |
* |
(11 |
/ |
75) |
= |
-6.15999997 |
5 |
95167 |
2430 |
- |
2528 |
= |
-98 |
* |
(13 |
/ |
75) |
= |
-16.98666663 |
6 |
95168 |
2527 |
- |
2552 |
= |
-25 |
* |
(14 |
/ |
75) |
= |
-4.66666665 |
7 |
95170 |
2561 |
- |
2567 |
= |
-6 |
* |
(13 |
/ |
75) |
= |
-1.04 |
8 |
95173 |
0 |
- |
2586 |
= |
|
* |
(8 |
/ |
75) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Belleview 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 |
97940 |
2399 |
- |
2436 |
= |
-37 |
* |
(18 |
/ |
99) |
= |
-6.7272727 |
4 |
97942 |
2459 |
- |
2485 |
= |
-26 |
* |
(14 |
/ |
99) |
= |
-3.67676767 |
5 |
97944 |
2463 |
- |
2528 |
= |
-65 |
* |
(15 |
/ |
99) |
= |
-9.84848482 |
6 |
97945 |
2462 |
- |
2552 |
= |
-90 |
* |
(18 |
/ |
99) |
= |
-16.36363629 |
7 |
97947 |
2548 |
- |
2567 |
= |
-19 |
* |
(18 |
/ |
99) |
= |
-3.45454544 |
8 |
97950 |
2528 |
- |
2586 |
= |
-58 |
* |
(16 |
/ |
99) |
= |
-9.37373734 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Belleview Elementary
|
-49 |
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 |
98129 |
2395 |
- |
2436 |
= |
-41 |
* |
(12 |
/ |
95) |
= |
-5.17894735 |
4 |
98130 |
2414 |
- |
2485 |
= |
-71 |
* |
(17 |
/ |
95) |
= |
-12.70526313 |
5 |
98133 |
2452 |
- |
2528 |
= |
-76 |
* |
(17 |
/ |
95) |
= |
-13.59999997 |
6 |
98134 |
2470 |
- |
2552 |
= |
-82 |
* |
(17 |
/ |
95) |
= |
-14.67368418 |
7 |
98136 |
2500 |
- |
2567 |
= |
-67 |
* |
(16 |
/ |
95) |
= |
-11.28421048 |
8 |
98139 |
2579 |
- |
2586 |
= |
-7 |
* |
(16 |
/ |
95) |
= |
-1.17894736 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Belleview Elementary
|
-59 |
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 |
98794 |
2385 |
- |
2436 |
= |
-51 |
* |
(16 |
/ |
86) |
= |
-9.48837206 |
4 |
98795 |
2446 |
- |
2485 |
= |
-39 |
* |
(11 |
/ |
86) |
= |
-4.98837206 |
5 |
98796 |
2473 |
- |
2528 |
= |
-55 |
* |
(15 |
/ |
86) |
= |
-9.59302322 |
6 |
98797 |
2497 |
- |
2552 |
= |
-55 |
* |
(17 |
/ |
86) |
= |
-10.87209299 |
7 |
98798 |
2468 |
- |
2567 |
= |
-99 |
* |
(17 |
/ |
86) |
= |
-19.56976738 |
8 |
98799 |
0 |
- |
2586 |
= |
|
* |
(10 |
/ |
86) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Belleview Elementary
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-40
|
-30
|
-49
|
-59
|
-55
|
-233.0 |
-46.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.6
For the lines, you have the data necessary to plot the chart.