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 |
2613364 |
2396 |
- |
2436 |
= |
-40 |
* |
(1332 |
/ |
7391) |
= |
-7.2087674 |
4 |
2613367 |
2433 |
- |
2485 |
= |
-52 |
* |
(1337 |
/ |
7391) |
= |
-9.40657552 |
5 |
2613368 |
2463 |
- |
2528 |
= |
-65 |
* |
(1252 |
/ |
7391) |
= |
-11.01068865 |
6 |
2613371 |
2474 |
- |
2552 |
= |
-78 |
* |
(1136 |
/ |
7391) |
= |
-11.98863479 |
7 |
2613372 |
2505 |
- |
2567 |
= |
-62 |
* |
(1192 |
/ |
7391) |
= |
-9.9991882 |
8 |
2613375 |
2499 |
- |
2586 |
= |
-87 |
* |
(1142 |
/ |
7391) |
= |
-13.44256523 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Alum Rock Union Elementary
|
-63 |
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 |
79750 |
2413 |
- |
2436 |
= |
-23 |
* |
(1207 |
/ |
7095) |
= |
-3.91275545 |
4 |
79752 |
2432 |
- |
2485 |
= |
-53 |
* |
(1315 |
/ |
7095) |
= |
-9.82311482 |
5 |
79754 |
2464 |
- |
2528 |
= |
-64 |
* |
(1246 |
/ |
7095) |
= |
-11.23946438 |
6 |
79755 |
2485 |
- |
2552 |
= |
-67 |
* |
(1036 |
/ |
7095) |
= |
-9.78322757 |
7 |
79758 |
2513 |
- |
2567 |
= |
-54 |
* |
(1128 |
/ |
7095) |
= |
-8.5852008 |
8 |
79759 |
2524 |
- |
2586 |
= |
-62 |
* |
(1163 |
/ |
7095) |
= |
-10.16293162 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Alum Rock Union Elementary
|
-54 |
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 |
81931 |
2414 |
- |
2436 |
= |
-22 |
* |
(1137 |
/ |
6831) |
= |
-3.66183574 |
4 |
81933 |
2446 |
- |
2485 |
= |
-39 |
* |
(1202 |
/ |
6831) |
= |
-6.8625384 |
5 |
81934 |
2464 |
- |
2528 |
= |
-64 |
* |
(1225 |
/ |
6831) |
= |
-11.47708973 |
6 |
81937 |
2478 |
- |
2552 |
= |
-74 |
* |
(1086 |
/ |
6831) |
= |
-11.76460251 |
7 |
81939 |
2522 |
- |
2567 |
= |
-45 |
* |
(1038 |
/ |
6831) |
= |
-6.83794463 |
8 |
81940 |
2513 |
- |
2586 |
= |
-73 |
* |
(1143 |
/ |
6831) |
= |
-12.21475624 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Alum Rock Union Elementary
|
-53 |
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 |
82124 |
2412 |
- |
2436 |
= |
-24 |
* |
(1055 |
/ |
6429) |
= |
-3.9384041 |
4 |
82126 |
2449 |
- |
2485 |
= |
-36 |
* |
(1115 |
/ |
6429) |
= |
-6.24358375 |
5 |
82128 |
2470 |
- |
2528 |
= |
-58 |
* |
(1140 |
/ |
6429) |
= |
-10.28464764 |
6 |
82130 |
2469 |
- |
2552 |
= |
-83 |
* |
(1037 |
/ |
6429) |
= |
-13.38792963 |
7 |
82132 |
2508 |
- |
2567 |
= |
-59 |
* |
(1059 |
/ |
6429) |
= |
-9.71861871 |
8 |
82134 |
2526 |
- |
2586 |
= |
-60 |
* |
(1023 |
/ |
6429) |
= |
-9.5473635 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Alum Rock Union Elementary
|
-53 |
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 |
82739 |
2411 |
- |
2436 |
= |
-25 |
* |
(1042 |
/ |
6249) |
= |
-4.16866698 |
4 |
82740 |
2442 |
- |
2485 |
= |
-43 |
* |
(1048 |
/ |
6249) |
= |
-7.21139382 |
5 |
82741 |
2470 |
- |
2528 |
= |
-58 |
* |
(1049 |
/ |
6249) |
= |
-9.73627776 |
6 |
82742 |
2483 |
- |
2552 |
= |
-69 |
* |
(1057 |
/ |
6249) |
= |
-11.67114735 |
7 |
82743 |
2491 |
- |
2567 |
= |
-76 |
* |
(1029 |
/ |
6249) |
= |
-12.5146423 |
8 |
82744 |
2522 |
- |
2586 |
= |
-64 |
* |
(1024 |
/ |
6249) |
= |
-10.48743795 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Alum Rock Union Elementary
|
-56 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-63
|
-54
|
-53
|
-53
|
-56
|
-279.0 |
-55.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.8
For the lines, you have the data necessary to plot the chart.