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 |
1308721 |
2391 |
- |
2436 |
= |
-45 |
* |
(1267 |
/ |
6977) |
= |
-8.17185033 |
4 |
1308722 |
2424 |
- |
2485 |
= |
-61 |
* |
(1125 |
/ |
6977) |
= |
-9.83588931 |
5 |
1308725 |
2451 |
- |
2528 |
= |
-77 |
* |
(1165 |
/ |
6977) |
= |
-12.85724517 |
6 |
1308726 |
2454 |
- |
2552 |
= |
-98 |
* |
(1127 |
/ |
6977) |
= |
-15.83001281 |
7 |
1308729 |
2476 |
- |
2567 |
= |
-91 |
* |
(1149 |
/ |
6977) |
= |
-14.98624045 |
8 |
1308730 |
2494 |
- |
2586 |
= |
-92 |
* |
(1144 |
/ |
6977) |
= |
-15.08499353 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Merced City Elementary
|
-77 |
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 |
41047 |
2401 |
- |
2436 |
= |
-35 |
* |
(1193 |
/ |
7028) |
= |
-5.94123506 |
4 |
41048 |
2429 |
- |
2485 |
= |
-56 |
* |
(1273 |
/ |
7028) |
= |
-10.14342627 |
5 |
41050 |
2449 |
- |
2528 |
= |
-79 |
* |
(1130 |
/ |
7028) |
= |
-12.70204889 |
6 |
41052 |
2473 |
- |
2552 |
= |
-79 |
* |
(1167 |
/ |
7028) |
= |
-13.11795672 |
7 |
41054 |
2483 |
- |
2567 |
= |
-84 |
* |
(1130 |
/ |
7028) |
= |
-13.50597604 |
8 |
41057 |
2497 |
- |
2586 |
= |
-89 |
* |
(1135 |
/ |
7028) |
= |
-14.37322134 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Merced City Elementary
|
-70 |
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 |
42061 |
2405 |
- |
2436 |
= |
-31 |
* |
(1162 |
/ |
7040) |
= |
-5.11676136 |
4 |
42063 |
2430 |
- |
2485 |
= |
-55 |
* |
(1196 |
/ |
7040) |
= |
-9.34374997 |
5 |
42066 |
2448 |
- |
2528 |
= |
-80 |
* |
(1264 |
/ |
7040) |
= |
-14.36363632 |
6 |
42067 |
2476 |
- |
2552 |
= |
-76 |
* |
(1128 |
/ |
7040) |
= |
-12.17727267 |
7 |
42070 |
2488 |
- |
2567 |
= |
-79 |
* |
(1144 |
/ |
7040) |
= |
-12.8375 |
8 |
42071 |
2494 |
- |
2586 |
= |
-92 |
* |
(1146 |
/ |
7040) |
= |
-14.97613628 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Merced City Elementary
|
-69 |
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 |
42076 |
2409 |
- |
2436 |
= |
-27 |
* |
(1206 |
/ |
7073) |
= |
-4.6037042 |
4 |
42079 |
2439 |
- |
2485 |
= |
-46 |
* |
(1163 |
/ |
7073) |
= |
-7.56369288 |
5 |
42080 |
2453 |
- |
2528 |
= |
-75 |
* |
(1206 |
/ |
7073) |
= |
-12.78806723 |
6 |
42083 |
2472 |
- |
2552 |
= |
-80 |
* |
(1245 |
/ |
7073) |
= |
-14.0817192 |
7 |
42084 |
2488 |
- |
2567 |
= |
-79 |
* |
(1110 |
/ |
7073) |
= |
-12.39785094 |
8 |
42087 |
2502 |
- |
2586 |
= |
-84 |
* |
(1143 |
/ |
7073) |
= |
-13.57443797 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Merced City Elementary
|
-65 |
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 |
42221 |
2415 |
- |
2436 |
= |
-21 |
* |
(1174 |
/ |
7051) |
= |
-3.49652531 |
4 |
42222 |
2449 |
- |
2485 |
= |
-36 |
* |
(1214 |
/ |
7051) |
= |
-6.19826972 |
5 |
42223 |
2458 |
- |
2528 |
= |
-70 |
* |
(1141 |
/ |
7051) |
= |
-11.32747126 |
6 |
42224 |
2479 |
- |
2552 |
= |
-73 |
* |
(1208 |
/ |
7051) |
= |
-12.50659477 |
7 |
42225 |
2482 |
- |
2567 |
= |
-85 |
* |
(1210 |
/ |
7051) |
= |
-14.58658344 |
8 |
42226 |
2496 |
- |
2586 |
= |
-90 |
* |
(1104 |
/ |
7051) |
= |
-14.09161815 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Merced City Elementary
|
-62 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-77
|
-70
|
-69
|
-65
|
-62
|
-343.0 |
-68.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.6
For the lines, you have the data necessary to plot the chart.