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 |
2760364 |
2428 |
- |
2436 |
= |
-8 |
* |
(186 |
/ |
1334) |
= |
-1.11544227 |
4 |
2760367 |
2464 |
- |
2485 |
= |
-21 |
* |
(197 |
/ |
1334) |
= |
-3.10119938 |
5 |
2760368 |
2494 |
- |
2528 |
= |
-34 |
* |
(201 |
/ |
1334) |
= |
-5.12293851 |
6 |
2760371 |
2525 |
- |
2552 |
= |
-27 |
* |
(266 |
/ |
1334) |
= |
-5.38380807 |
7 |
2760372 |
2550 |
- |
2567 |
= |
-17 |
* |
(224 |
/ |
1334) |
= |
-2.8545727 |
8 |
2760375 |
2536 |
- |
2586 |
= |
-50 |
* |
(260 |
/ |
1334) |
= |
-9.7451274 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Soquel Union Elementary
|
-27 |
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 |
83977 |
2437 |
- |
2436 |
= |
1 |
* |
(221 |
/ |
1326) |
= |
0.16666667 |
4 |
83978 |
2481 |
- |
2485 |
= |
-4 |
* |
(200 |
/ |
1326) |
= |
-0.60331825 |
5 |
83980 |
2505 |
- |
2528 |
= |
-23 |
* |
(196 |
/ |
1326) |
= |
-3.39969833 |
6 |
83983 |
2528 |
- |
2552 |
= |
-24 |
* |
(215 |
/ |
1326) |
= |
-3.8914027 |
7 |
83984 |
2548 |
- |
2567 |
= |
-19 |
* |
(279 |
/ |
1326) |
= |
-3.99773754 |
8 |
83986 |
2544 |
- |
2586 |
= |
-42 |
* |
(215 |
/ |
1326) |
= |
-6.80995472 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Soquel Union Elementary
|
-19 |
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 |
86295 |
2449 |
- |
2436 |
= |
13 |
* |
(177 |
/ |
1316) |
= |
1.74848024 |
4 |
86296 |
2490 |
- |
2485 |
= |
5 |
* |
(223 |
/ |
1316) |
= |
0.84726444 |
5 |
86298 |
2521 |
- |
2528 |
= |
-7 |
* |
(210 |
/ |
1316) |
= |
-1.11702128 |
6 |
86301 |
2530 |
- |
2552 |
= |
-22 |
* |
(214 |
/ |
1316) |
= |
-3.57750758 |
7 |
86302 |
2556 |
- |
2567 |
= |
-11 |
* |
(231 |
/ |
1316) |
= |
-1.93085105 |
8 |
86304 |
2552 |
- |
2586 |
= |
-34 |
* |
(261 |
/ |
1316) |
= |
-6.74316108 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Soquel Union Elementary
|
-11 |
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 |
86526 |
2449 |
- |
2436 |
= |
13 |
* |
(193 |
/ |
1291) |
= |
1.94345468 |
4 |
86529 |
2481 |
- |
2485 |
= |
-4 |
* |
(187 |
/ |
1291) |
= |
-0.57939582 |
5 |
86530 |
2516 |
- |
2528 |
= |
-12 |
* |
(229 |
/ |
1291) |
= |
-2.12858249 |
6 |
86533 |
2533 |
- |
2552 |
= |
-19 |
* |
(226 |
/ |
1291) |
= |
-3.32610379 |
7 |
86534 |
2562 |
- |
2567 |
= |
-5 |
* |
(217 |
/ |
1291) |
= |
-0.84043377 |
8 |
86537 |
2558 |
- |
2586 |
= |
-28 |
* |
(239 |
/ |
1291) |
= |
-5.1835786 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Soquel Union Elementary
|
-10 |
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 |
87127 |
2442 |
- |
2436 |
= |
6 |
* |
(180 |
/ |
1227) |
= |
0.8801956 |
4 |
87128 |
2492 |
- |
2485 |
= |
7 |
* |
(191 |
/ |
1227) |
= |
1.08964955 |
5 |
87129 |
2514 |
- |
2528 |
= |
-14 |
* |
(187 |
/ |
1227) |
= |
-2.13365932 |
6 |
87130 |
2531 |
- |
2552 |
= |
-21 |
* |
(241 |
/ |
1227) |
= |
-4.12469436 |
7 |
87131 |
2557 |
- |
2567 |
= |
-10 |
* |
(231 |
/ |
1227) |
= |
-1.88264058 |
8 |
87132 |
2570 |
- |
2586 |
= |
-16 |
* |
(197 |
/ |
1227) |
= |
-2.56886715 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Soquel Union Elementary
|
-9 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-27
|
-19
|
-11
|
-10
|
-9
|
-76.0 |
-15.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.2
For the lines, you have the data necessary to plot the chart.