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 |
61797 |
2423 |
- |
2436 |
= |
-13 |
* |
(469 |
/ |
3246) |
= |
-1.87831176 |
4 |
61800 |
2456 |
- |
2485 |
= |
-29 |
* |
(462 |
/ |
3246) |
= |
-4.12754158 |
5 |
61801 |
2490 |
- |
2528 |
= |
-38 |
* |
(442 |
/ |
3246) |
= |
-5.17436842 |
6 |
61804 |
2518 |
- |
2552 |
= |
-34 |
* |
(499 |
/ |
3246) |
= |
-5.22674058 |
7 |
61805 |
2524 |
- |
2567 |
= |
-43 |
* |
(437 |
/ |
3246) |
= |
-5.78897102 |
8 |
61808 |
2532 |
- |
2586 |
= |
-54 |
* |
(449 |
/ |
3246) |
= |
-7.46950091 |
11 |
61809 |
2550 |
- |
2628 |
= |
-78 |
* |
(488 |
/ |
3246) |
= |
-11.72643248 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Newark Unified
|
-41 |
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 |
1647 |
2429 |
- |
2436 |
= |
-7 |
* |
(471 |
/ |
3113) |
= |
-1.05910697 |
4 |
1649 |
2456 |
- |
2485 |
= |
-29 |
* |
(459 |
/ |
3113) |
= |
-4.2759396 |
5 |
1652 |
2491 |
- |
2528 |
= |
-37 |
* |
(444 |
/ |
3113) |
= |
-5.27722453 |
6 |
1654 |
2525 |
- |
2552 |
= |
-27 |
* |
(434 |
/ |
3113) |
= |
-3.76421456 |
7 |
1656 |
2533 |
- |
2567 |
= |
-34 |
* |
(461 |
/ |
3113) |
= |
-5.03501444 |
8 |
1657 |
2544 |
- |
2586 |
= |
-42 |
* |
(455 |
/ |
3113) |
= |
-6.13877288 |
11 |
1660 |
2553 |
- |
2628 |
= |
-75 |
* |
(389 |
/ |
3113) |
= |
-9.37198838 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Newark Unified
|
-35 |
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 |
1696 |
2431 |
- |
2436 |
= |
-5 |
* |
(396 |
/ |
3035) |
= |
-0.6523888 |
4 |
1698 |
2456 |
- |
2485 |
= |
-29 |
* |
(445 |
/ |
3035) |
= |
-4.25205929 |
5 |
1700 |
2483 |
- |
2528 |
= |
-45 |
* |
(448 |
/ |
3035) |
= |
-6.64250409 |
6 |
1702 |
2519 |
- |
2552 |
= |
-33 |
* |
(436 |
/ |
3035) |
= |
-4.74069192 |
7 |
1704 |
2548 |
- |
2567 |
= |
-19 |
* |
(409 |
/ |
3035) |
= |
-2.56046128 |
8 |
1706 |
2536 |
- |
2586 |
= |
-50 |
* |
(454 |
/ |
3035) |
= |
-7.4794069 |
11 |
1707 |
2541 |
- |
2628 |
= |
-87 |
* |
(447 |
/ |
3035) |
= |
-12.81350903 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Newark Unified
|
-39 |
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 |
1712 |
2439 |
- |
2436 |
= |
3 |
* |
(393 |
/ |
2989) |
= |
0.3944463 |
4 |
1713 |
2459 |
- |
2485 |
= |
-26 |
* |
(396 |
/ |
2989) |
= |
-3.44463031 |
5 |
1716 |
2491 |
- |
2528 |
= |
-37 |
* |
(452 |
/ |
2989) |
= |
-5.59518233 |
6 |
1717 |
2509 |
- |
2552 |
= |
-43 |
* |
(467 |
/ |
2989) |
= |
-6.71830039 |
7 |
1720 |
2539 |
- |
2567 |
= |
-28 |
* |
(436 |
/ |
2989) |
= |
-4.08430912 |
8 |
1721 |
2531 |
- |
2586 |
= |
-55 |
* |
(411 |
/ |
2989) |
= |
-7.56273001 |
11 |
1723 |
2527 |
- |
2628 |
= |
-101 |
* |
(434 |
/ |
2989) |
= |
-14.66510536 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Newark Unified
|
-42 |
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 |
1741 |
2432 |
- |
2436 |
= |
-4 |
* |
(405 |
/ |
2924) |
= |
-0.55403556 |
4 |
1742 |
2479 |
- |
2485 |
= |
-6 |
* |
(392 |
/ |
2924) |
= |
-0.80437756 |
5 |
1743 |
2502 |
- |
2528 |
= |
-26 |
* |
(367 |
/ |
2924) |
= |
-3.26333787 |
6 |
1744 |
2523 |
- |
2552 |
= |
-29 |
* |
(438 |
/ |
2924) |
= |
-4.34404923 |
7 |
1745 |
2528 |
- |
2567 |
= |
-39 |
* |
(448 |
/ |
2924) |
= |
-5.97537619 |
8 |
1746 |
2524 |
- |
2586 |
= |
-62 |
* |
(432 |
/ |
2924) |
= |
-9.16005472 |
11 |
1747 |
2537 |
- |
2628 |
= |
-91 |
* |
(442 |
/ |
2924) |
= |
-13.75581389 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Newark Unified
|
-38 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-41
|
-35
|
-39
|
-42
|
-38
|
-195.0 |
-39.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.0
For the lines, you have the data necessary to plot the chart.