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 |
3033071 |
2368 |
- |
2436 |
= |
-68 |
* |
(18 |
/ |
126) |
= |
-9.71428566 |
4 |
3033074 |
2410 |
- |
2485 |
= |
-75 |
* |
(27 |
/ |
126) |
= |
-16.07142855 |
5 |
3033075 |
2421 |
- |
2528 |
= |
-107 |
* |
(25 |
/ |
126) |
= |
-21.23015869 |
6 |
3033078 |
2438 |
- |
2552 |
= |
-114 |
* |
(20 |
/ |
126) |
= |
-18.09523801 |
7 |
3033079 |
2457 |
- |
2567 |
= |
-110 |
* |
(18 |
/ |
126) |
= |
-15.71428562 |
8 |
3033082 |
2483 |
- |
2586 |
= |
-103 |
* |
(18 |
/ |
126) |
= |
-14.71428563 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ducor Union Elementary
|
-96 |
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 |
93168 |
2402 |
- |
2436 |
= |
-34 |
* |
(19 |
/ |
118) |
= |
-5.47457627 |
4 |
93170 |
2433 |
- |
2485 |
= |
-52 |
* |
(18 |
/ |
118) |
= |
-7.93220334 |
5 |
93171 |
2421 |
- |
2528 |
= |
-107 |
* |
(27 |
/ |
118) |
= |
-24.48305081 |
6 |
93173 |
2457 |
- |
2552 |
= |
-95 |
* |
(18 |
/ |
118) |
= |
-14.49152534 |
7 |
93175 |
2467 |
- |
2567 |
= |
-100 |
* |
(20 |
/ |
118) |
= |
-16.9491525 |
8 |
93178 |
2439 |
- |
2586 |
= |
-147 |
* |
(16 |
/ |
118) |
= |
-19.93220334 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ducor Union Elementary
|
-89 |
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 |
95936 |
2394 |
- |
2436 |
= |
-42 |
* |
(14 |
/ |
122) |
= |
-4.81967212 |
4 |
95938 |
2429 |
- |
2485 |
= |
-56 |
* |
(19 |
/ |
122) |
= |
-8.72131142 |
5 |
95940 |
2420 |
- |
2528 |
= |
-108 |
* |
(19 |
/ |
122) |
= |
-16.81967203 |
6 |
95941 |
2447 |
- |
2552 |
= |
-105 |
* |
(32 |
/ |
122) |
= |
-27.54098351 |
7 |
95944 |
2481 |
- |
2567 |
= |
-86 |
* |
(18 |
/ |
122) |
= |
-12.68852454 |
8 |
95946 |
2519 |
- |
2586 |
= |
-67 |
* |
(20 |
/ |
122) |
= |
-10.98360654 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ducor Union Elementary
|
-82 |
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 |
96124 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
105) |
= |
|
4 |
96125 |
2376 |
- |
2485 |
= |
-109 |
* |
(15 |
/ |
105) |
= |
-15.57142848 |
5 |
96128 |
2369 |
- |
2528 |
= |
-159 |
* |
(17 |
/ |
105) |
= |
-25.742857 |
6 |
96129 |
2450 |
- |
2552 |
= |
-102 |
* |
(15 |
/ |
105) |
= |
-14.57142848 |
7 |
96132 |
2447 |
- |
2567 |
= |
-120 |
* |
(32 |
/ |
105) |
= |
-36.57142848 |
8 |
96133 |
2532 |
- |
2586 |
= |
-54 |
* |
(16 |
/ |
105) |
= |
-8.22857141 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ducor Union 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 |
96793 |
2361 |
- |
2436 |
= |
-75 |
* |
(12 |
/ |
111) |
= |
-8.1081081 |
4 |
96794 |
2367 |
- |
2485 |
= |
-118 |
* |
(11 |
/ |
111) |
= |
-11.69369368 |
5 |
96795 |
2405 |
- |
2528 |
= |
-123 |
* |
(19 |
/ |
111) |
= |
-21.05405403 |
6 |
96796 |
2404 |
- |
2552 |
= |
-148 |
* |
(20 |
/ |
111) |
= |
-26.66666664 |
7 |
96797 |
2442 |
- |
2567 |
= |
-125 |
* |
(17 |
/ |
111) |
= |
-19.14414413 |
8 |
96798 |
2460 |
- |
2586 |
= |
-126 |
* |
(32 |
/ |
111) |
= |
-36.32432429 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ducor Union Elementary
|
-123 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-96
|
-89
|
-82
|
-101
|
-123
|
-491.0 |
-98.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -143.2
For the lines, you have the data necessary to plot the chart.