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 |
66288 |
2419 |
- |
2436 |
= |
-17 |
* |
(896 |
/ |
6136) |
= |
-2.48239896 |
4 |
66289 |
2452 |
- |
2485 |
= |
-33 |
* |
(907 |
/ |
6136) |
= |
-4.87793348 |
5 |
66292 |
2488 |
- |
2528 |
= |
-40 |
* |
(890 |
/ |
6136) |
= |
-5.80182528 |
6 |
66293 |
2504 |
- |
2552 |
= |
-48 |
* |
(865 |
/ |
6136) |
= |
-6.76662317 |
7 |
66296 |
2523 |
- |
2567 |
= |
-44 |
* |
(827 |
/ |
6136) |
= |
-5.93024771 |
8 |
66297 |
2542 |
- |
2586 |
= |
-44 |
* |
(845 |
/ |
6136) |
= |
-6.05932202 |
11 |
66300 |
2574 |
- |
2628 |
= |
-54 |
* |
(906 |
/ |
6136) |
= |
-7.97327248 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for New Haven Unified
|
-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 |
1769 |
2423 |
- |
2436 |
= |
-13 |
* |
(877 |
/ |
6111) |
= |
-1.8656521 |
4 |
1771 |
2466 |
- |
2485 |
= |
-19 |
* |
(884 |
/ |
6111) |
= |
-2.74848633 |
5 |
1774 |
2496 |
- |
2528 |
= |
-32 |
* |
(912 |
/ |
6111) |
= |
-4.77565046 |
6 |
1775 |
2501 |
- |
2552 |
= |
-51 |
* |
(828 |
/ |
6111) |
= |
-6.91016197 |
7 |
1778 |
2522 |
- |
2567 |
= |
-45 |
* |
(862 |
/ |
6111) |
= |
-6.34756995 |
8 |
1779 |
2542 |
- |
2586 |
= |
-44 |
* |
(849 |
/ |
6111) |
= |
-6.11291111 |
11 |
1781 |
2591 |
- |
2628 |
= |
-37 |
* |
(899 |
/ |
6111) |
= |
-5.44313531 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for New Haven Unified
|
-34 |
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 |
1816 |
2436 |
- |
2436 |
= |
0 |
* |
(752 |
/ |
6093) |
= |
0.0 |
4 |
1818 |
2460 |
- |
2485 |
= |
-25 |
* |
(873 |
/ |
6093) |
= |
-3.5819793 |
5 |
1819 |
2498 |
- |
2528 |
= |
-30 |
* |
(854 |
/ |
6093) |
= |
-4.2048252 |
6 |
1822 |
2506 |
- |
2552 |
= |
-46 |
* |
(887 |
/ |
6093) |
= |
-6.69653699 |
7 |
1823 |
2529 |
- |
2567 |
= |
-38 |
* |
(868 |
/ |
6093) |
= |
-5.41342524 |
8 |
1825 |
2548 |
- |
2586 |
= |
-38 |
* |
(871 |
/ |
6093) |
= |
-5.43213523 |
11 |
1828 |
2584 |
- |
2628 |
= |
-44 |
* |
(988 |
/ |
6093) |
= |
-7.13474476 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for New Haven Unified
|
-32 |
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 |
1826 |
2442 |
- |
2436 |
= |
6 |
* |
(782 |
/ |
5825) |
= |
0.80549356 |
4 |
1827 |
2468 |
- |
2485 |
= |
-17 |
* |
(738 |
/ |
5825) |
= |
-2.15381973 |
5 |
1830 |
2498 |
- |
2528 |
= |
-30 |
* |
(873 |
/ |
5825) |
= |
-4.49613732 |
6 |
1831 |
2505 |
- |
2552 |
= |
-47 |
* |
(815 |
/ |
5825) |
= |
-6.57596566 |
7 |
1834 |
2523 |
- |
2567 |
= |
-44 |
* |
(873 |
/ |
5825) |
= |
-6.59433474 |
8 |
1835 |
2552 |
- |
2586 |
= |
-34 |
* |
(845 |
/ |
5825) |
= |
-4.93218882 |
11 |
1838 |
2579 |
- |
2628 |
= |
-49 |
* |
(899 |
/ |
5825) |
= |
-7.56240339 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for New Haven Unified
|
-32 |
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 |
1853 |
2444 |
- |
2436 |
= |
8 |
* |
(764 |
/ |
5654) |
= |
1.08100459 |
4 |
1854 |
2480 |
- |
2485 |
= |
-5 |
* |
(761 |
/ |
5654) |
= |
-0.67297489 |
5 |
1855 |
2509 |
- |
2528 |
= |
-19 |
* |
(735 |
/ |
5654) |
= |
-2.46993278 |
6 |
1856 |
2507 |
- |
2552 |
= |
-45 |
* |
(816 |
/ |
5654) |
= |
-6.49451714 |
7 |
1857 |
2524 |
- |
2567 |
= |
-43 |
* |
(825 |
/ |
5654) |
= |
-6.27431903 |
8 |
1858 |
2543 |
- |
2586 |
= |
-43 |
* |
(837 |
/ |
5654) |
= |
-6.36558188 |
11 |
1859 |
2588 |
- |
2628 |
= |
-40 |
* |
(916 |
/ |
5654) |
= |
-6.48036788 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for New Haven Unified
|
-28 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-40
|
-34
|
-32
|
-32
|
-28
|
-166.0 |
-33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.2
For the lines, you have the data necessary to plot the chart.