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 |
1331607 |
2416 |
- |
2436 |
= |
-20 |
* |
(35 |
/ |
204) |
= |
-3.43137254 |
4 |
1331608 |
2461 |
- |
2485 |
= |
-24 |
* |
(29 |
/ |
204) |
= |
-3.41176469 |
5 |
1331611 |
2479 |
- |
2528 |
= |
-49 |
* |
(36 |
/ |
204) |
= |
-8.64705881 |
6 |
1331612 |
2550 |
- |
2552 |
= |
-2 |
* |
(31 |
/ |
204) |
= |
-0.30392157 |
7 |
1331615 |
2556 |
- |
2567 |
= |
-11 |
* |
(18 |
/ |
204) |
= |
-0.97058823 |
8 |
1331616 |
2507 |
- |
2586 |
= |
-79 |
* |
(28 |
/ |
204) |
= |
-10.84313718 |
11 |
1331619 |
2556 |
- |
2628 |
= |
-72 |
* |
(27 |
/ |
204) |
= |
-9.52941175 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Eastern Sierra Unified
|
-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 |
41829 |
2397 |
- |
2436 |
= |
-39 |
* |
(30 |
/ |
212) |
= |
-5.51886789 |
4 |
41831 |
2431 |
- |
2485 |
= |
-54 |
* |
(40 |
/ |
212) |
= |
-10.18867923 |
5 |
41832 |
2493 |
- |
2528 |
= |
-35 |
* |
(36 |
/ |
212) |
= |
-5.9433962 |
6 |
41835 |
2531 |
- |
2552 |
= |
-21 |
* |
(34 |
/ |
212) |
= |
-3.36792452 |
7 |
41837 |
2535 |
- |
2567 |
= |
-32 |
* |
(30 |
/ |
212) |
= |
-4.52830186 |
8 |
41838 |
2539 |
- |
2586 |
= |
-47 |
* |
(20 |
/ |
212) |
= |
-4.43396223 |
11 |
41840 |
2589 |
- |
2628 |
= |
-39 |
* |
(22 |
/ |
212) |
= |
-4.04716978 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Eastern Sierra Unified
|
-38 |
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 |
42869 |
2391 |
- |
2436 |
= |
-45 |
* |
(32 |
/ |
213) |
= |
-6.76056335 |
4 |
42872 |
2396 |
- |
2485 |
= |
-89 |
* |
(33 |
/ |
213) |
= |
-13.78873235 |
5 |
42874 |
2449 |
- |
2528 |
= |
-79 |
* |
(37 |
/ |
213) |
= |
-13.72300468 |
6 |
42876 |
2528 |
- |
2552 |
= |
-24 |
* |
(35 |
/ |
213) |
= |
-3.94366195 |
7 |
42878 |
2532 |
- |
2567 |
= |
-35 |
* |
(33 |
/ |
213) |
= |
-5.4225352 |
8 |
42880 |
2549 |
- |
2586 |
= |
-37 |
* |
(29 |
/ |
213) |
= |
-5.03755866 |
11 |
42881 |
2597 |
- |
2628 |
= |
-31 |
* |
(14 |
/ |
213) |
= |
-2.03755867 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Eastern Sierra Unified
|
-51 |
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 |
42873 |
2369 |
- |
2436 |
= |
-67 |
* |
(27 |
/ |
222) |
= |
-8.14864861 |
4 |
42874 |
2424 |
- |
2485 |
= |
-61 |
* |
(33 |
/ |
222) |
= |
-9.06756753 |
5 |
42877 |
2442 |
- |
2528 |
= |
-86 |
* |
(31 |
/ |
222) |
= |
-12.00900895 |
6 |
42878 |
2495 |
- |
2552 |
= |
-57 |
* |
(36 |
/ |
222) |
= |
-9.24324323 |
7 |
42881 |
2538 |
- |
2567 |
= |
-29 |
* |
(36 |
/ |
222) |
= |
-4.7027027 |
8 |
42882 |
2523 |
- |
2586 |
= |
-63 |
* |
(37 |
/ |
222) |
= |
-10.49999996 |
11 |
42885 |
2538 |
- |
2628 |
= |
-90 |
* |
(22 |
/ |
222) |
= |
-8.91891891 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Eastern Sierra Unified
|
-63 |
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 |
42996 |
2423 |
- |
2436 |
= |
-13 |
* |
(36 |
/ |
201) |
= |
-2.3283582 |
4 |
42997 |
2412 |
- |
2485 |
= |
-73 |
* |
(18 |
/ |
201) |
= |
-6.53731337 |
5 |
42998 |
2469 |
- |
2528 |
= |
-59 |
* |
(35 |
/ |
201) |
= |
-10.27363183 |
6 |
42999 |
2483 |
- |
2552 |
= |
-69 |
* |
(24 |
/ |
201) |
= |
-8.23880597 |
7 |
43000 |
2534 |
- |
2567 |
= |
-33 |
* |
(31 |
/ |
201) |
= |
-5.08955222 |
8 |
43001 |
2564 |
- |
2586 |
= |
-22 |
* |
(34 |
/ |
201) |
= |
-3.72139302 |
11 |
43002 |
2591 |
- |
2628 |
= |
-37 |
* |
(23 |
/ |
201) |
= |
-4.23383082 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Eastern Sierra Unified
|
-40 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-37
|
-38
|
-51
|
-63
|
-40
|
-229.0 |
-45.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.8
For the lines, you have the data necessary to plot the chart.