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 |
2432078 |
2400 |
- |
2436 |
= |
-36 |
* |
(16 |
/ |
253) |
= |
-2.27667982 |
4 |
2432081 |
2397 |
- |
2485 |
= |
-88 |
* |
(17 |
/ |
253) |
= |
-5.9130434 |
5 |
2432082 |
2440 |
- |
2528 |
= |
-88 |
* |
(21 |
/ |
253) |
= |
-7.30434778 |
6 |
2432085 |
2463 |
- |
2552 |
= |
-89 |
* |
(34 |
/ |
253) |
= |
-11.96047424 |
7 |
2432086 |
2449 |
- |
2567 |
= |
-118 |
* |
(45 |
/ |
253) |
= |
-20.98814222 |
8 |
2432089 |
2493 |
- |
2586 |
= |
-93 |
* |
(51 |
/ |
253) |
= |
-18.74703551 |
11 |
2432090 |
2454 |
- |
2628 |
= |
-174 |
* |
(69 |
/ |
253) |
= |
-47.45454533 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for New Jerusalem Elementary
|
-115 |
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 |
74204 |
2363 |
- |
2436 |
= |
-73 |
* |
(76 |
/ |
697) |
= |
-7.9598278 |
4 |
74206 |
2392 |
- |
2485 |
= |
-93 |
* |
(85 |
/ |
697) |
= |
-11.34146337 |
5 |
74208 |
2446 |
- |
2528 |
= |
-82 |
* |
(83 |
/ |
697) |
= |
-9.76470588 |
6 |
74209 |
2465 |
- |
2552 |
= |
-87 |
* |
(71 |
/ |
697) |
= |
-8.86226683 |
7 |
74211 |
2484 |
- |
2567 |
= |
-83 |
* |
(96 |
/ |
697) |
= |
-11.43185079 |
8 |
74214 |
2497 |
- |
2586 |
= |
-89 |
* |
(92 |
/ |
697) |
= |
-11.74748923 |
11 |
74216 |
2495 |
- |
2628 |
= |
-133 |
* |
(194 |
/ |
697) |
= |
-37.01865129 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for New Jerusalem Elementary
|
-98 |
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 |
76190 |
2359 |
- |
2436 |
= |
-77 |
* |
(58 |
/ |
640) |
= |
-6.978125 |
4 |
76193 |
2407 |
- |
2485 |
= |
-78 |
* |
(82 |
/ |
640) |
= |
-9.99375 |
5 |
76194 |
2432 |
- |
2528 |
= |
-96 |
* |
(92 |
/ |
640) |
= |
-13.8 |
6 |
76196 |
2459 |
- |
2552 |
= |
-93 |
* |
(85 |
/ |
640) |
= |
-12.3515625 |
7 |
76198 |
2497 |
- |
2567 |
= |
-70 |
* |
(92 |
/ |
640) |
= |
-10.0625 |
8 |
76200 |
2487 |
- |
2586 |
= |
-99 |
* |
(93 |
/ |
640) |
= |
-14.3859375 |
11 |
76202 |
2493 |
- |
2628 |
= |
-135 |
* |
(138 |
/ |
640) |
= |
-29.109375 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for New Jerusalem Elementary
|
-97 |
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 |
76382 |
2370 |
- |
2436 |
= |
-66 |
* |
(107 |
/ |
910) |
= |
-7.76043952 |
4 |
76384 |
2407 |
- |
2485 |
= |
-78 |
* |
(96 |
/ |
910) |
= |
-8.22857139 |
5 |
76386 |
2418 |
- |
2528 |
= |
-110 |
* |
(121 |
/ |
910) |
= |
-14.62637352 |
6 |
76388 |
2443 |
- |
2552 |
= |
-109 |
* |
(134 |
/ |
910) |
= |
-16.05054942 |
7 |
76390 |
2494 |
- |
2567 |
= |
-73 |
* |
(130 |
/ |
910) |
= |
-10.42857137 |
8 |
76392 |
2487 |
- |
2586 |
= |
-99 |
* |
(144 |
/ |
910) |
= |
-15.66593404 |
11 |
76394 |
2484 |
- |
2628 |
= |
-144 |
* |
(178 |
/ |
910) |
= |
-28.16703288 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for New Jerusalem Elementary
|
-101 |
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 |
76907 |
2395 |
- |
2436 |
= |
-41 |
* |
(102 |
/ |
921) |
= |
-4.54071659 |
4 |
76908 |
2418 |
- |
2485 |
= |
-67 |
* |
(102 |
/ |
921) |
= |
-7.4201954 |
5 |
76909 |
2441 |
- |
2528 |
= |
-87 |
* |
(95 |
/ |
921) |
= |
-8.97394134 |
6 |
76910 |
2452 |
- |
2552 |
= |
-100 |
* |
(139 |
/ |
921) |
= |
-15.0922909 |
7 |
76911 |
2494 |
- |
2567 |
= |
-73 |
* |
(150 |
/ |
921) |
= |
-11.88925078 |
8 |
76912 |
2513 |
- |
2586 |
= |
-73 |
* |
(140 |
/ |
921) |
= |
-11.09663408 |
11 |
76913 |
2478 |
- |
2628 |
= |
-150 |
* |
(193 |
/ |
921) |
= |
-31.43322465 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for New Jerusalem Elementary
|
-90 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-115
|
-98
|
-97
|
-101
|
-90
|
-501.0 |
-100.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -127.2
For the lines, you have the data necessary to plot the chart.