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 |
2144327 |
2469 |
- |
2436 |
= |
33 |
* |
(175 |
/ |
1593) |
= |
3.62523539 |
4 |
2144328 |
2517 |
- |
2485 |
= |
32 |
* |
(195 |
/ |
1593) |
= |
3.91713747 |
5 |
2144331 |
2532 |
- |
2528 |
= |
4 |
* |
(223 |
/ |
1593) |
= |
0.55994978 |
6 |
2144332 |
2580 |
- |
2552 |
= |
28 |
* |
(225 |
/ |
1593) |
= |
3.95480224 |
7 |
2144335 |
2595 |
- |
2567 |
= |
28 |
* |
(258 |
/ |
1593) |
= |
4.5348399 |
8 |
2144336 |
2616 |
- |
2586 |
= |
30 |
* |
(244 |
/ |
1593) |
= |
4.59510357 |
11 |
2144339 |
2614 |
- |
2628 |
= |
-14 |
* |
(273 |
/ |
1593) |
= |
-2.3992467 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Coronado Unified
|
19 |
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 |
65807 |
2468 |
- |
2436 |
= |
32 |
* |
(189 |
/ |
1566) |
= |
3.86206896 |
4 |
65809 |
2507 |
- |
2485 |
= |
22 |
* |
(185 |
/ |
1566) |
= |
2.59897827 |
5 |
65810 |
2559 |
- |
2528 |
= |
31 |
* |
(199 |
/ |
1566) |
= |
3.93933588 |
6 |
65813 |
2566 |
- |
2552 |
= |
14 |
* |
(226 |
/ |
1566) |
= |
2.02043422 |
7 |
65815 |
2617 |
- |
2567 |
= |
50 |
* |
(229 |
/ |
1566) |
= |
7.31162195 |
8 |
65816 |
2616 |
- |
2586 |
= |
30 |
* |
(252 |
/ |
1566) |
= |
4.8275862 |
11 |
65819 |
2629 |
- |
2628 |
= |
1 |
* |
(286 |
/ |
1566) |
= |
0.18263091 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Coronado Unified
|
25 |
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 |
67625 |
2478 |
- |
2436 |
= |
42 |
* |
(178 |
/ |
1574) |
= |
4.74968231 |
4 |
67626 |
2507 |
- |
2485 |
= |
22 |
* |
(211 |
/ |
1574) |
= |
2.94917407 |
5 |
67629 |
2537 |
- |
2528 |
= |
9 |
* |
(198 |
/ |
1574) |
= |
1.1321474 |
6 |
67630 |
2579 |
- |
2552 |
= |
27 |
* |
(221 |
/ |
1574) |
= |
3.79097839 |
7 |
67633 |
2610 |
- |
2567 |
= |
43 |
* |
(235 |
/ |
1574) |
= |
6.41994915 |
8 |
67635 |
2655 |
- |
2586 |
= |
69 |
* |
(230 |
/ |
1574) |
= |
10.08259209 |
11 |
67636 |
2649 |
- |
2628 |
= |
21 |
* |
(301 |
/ |
1574) |
= |
4.01588309 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Coronado Unified
|
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 |
67730 |
2471 |
- |
2436 |
= |
35 |
* |
(149 |
/ |
1504) |
= |
3.46742018 |
4 |
67732 |
2524 |
- |
2485 |
= |
39 |
* |
(185 |
/ |
1504) |
= |
4.79720744 |
5 |
67734 |
2546 |
- |
2528 |
= |
18 |
* |
(215 |
/ |
1504) |
= |
2.57313829 |
6 |
67736 |
2586 |
- |
2552 |
= |
34 |
* |
(215 |
/ |
1504) |
= |
4.86037232 |
7 |
67738 |
2605 |
- |
2567 |
= |
38 |
* |
(237 |
/ |
1504) |
= |
5.98803191 |
8 |
67740 |
2633 |
- |
2586 |
= |
47 |
* |
(239 |
/ |
1504) |
= |
7.46874998 |
11 |
67742 |
2648 |
- |
2628 |
= |
20 |
* |
(264 |
/ |
1504) |
= |
3.51063828 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Coronado Unified
|
33 |
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 |
68249 |
2477 |
- |
2436 |
= |
41 |
* |
(190 |
/ |
1565) |
= |
4.97763575 |
4 |
68250 |
2519 |
- |
2485 |
= |
34 |
* |
(171 |
/ |
1565) |
= |
3.71501595 |
5 |
68251 |
2565 |
- |
2528 |
= |
37 |
* |
(221 |
/ |
1565) |
= |
5.22492011 |
6 |
68252 |
2577 |
- |
2552 |
= |
25 |
* |
(234 |
/ |
1565) |
= |
3.73801915 |
7 |
68253 |
2614 |
- |
2567 |
= |
47 |
* |
(241 |
/ |
1565) |
= |
7.23769967 |
8 |
68254 |
2635 |
- |
2586 |
= |
49 |
* |
(238 |
/ |
1565) |
= |
7.45175717 |
11 |
68255 |
2658 |
- |
2628 |
= |
30 |
* |
(270 |
/ |
1565) |
= |
5.17571883 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Coronado Unified
|
38 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
19
|
25
|
33
|
33
|
38
|
148.0 |
29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 50.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 8.6
For the lines, you have the data necessary to plot the chart.