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 |
3090024 |
2412 |
- |
2436 |
= |
-24 |
* |
(58 |
/ |
385) |
= |
-3.6155844 |
4 |
3090025 |
2433 |
- |
2485 |
= |
-52 |
* |
(67 |
/ |
385) |
= |
-9.04935065 |
5 |
3090028 |
2502 |
- |
2528 |
= |
-26 |
* |
(51 |
/ |
385) |
= |
-3.44415583 |
6 |
3090029 |
2510 |
- |
2552 |
= |
-42 |
* |
(67 |
/ |
385) |
= |
-7.30909091 |
7 |
3090032 |
2584 |
- |
2567 |
= |
17 |
* |
(56 |
/ |
385) |
= |
2.47272727 |
8 |
3090033 |
2564 |
- |
2586 |
= |
-22 |
* |
(86 |
/ |
385) |
= |
-4.91428571 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Columbia Union
|
-26 |
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 |
95190 |
2435 |
- |
2436 |
= |
-1 |
* |
(58 |
/ |
345) |
= |
-0.16811594 |
4 |
95192 |
2452 |
- |
2485 |
= |
-33 |
* |
(53 |
/ |
345) |
= |
-5.0695652 |
5 |
95194 |
2467 |
- |
2528 |
= |
-61 |
* |
(65 |
/ |
345) |
= |
-11.49275362 |
6 |
95196 |
2514 |
- |
2552 |
= |
-38 |
* |
(55 |
/ |
345) |
= |
-6.05797098 |
7 |
95198 |
2532 |
- |
2567 |
= |
-35 |
* |
(63 |
/ |
345) |
= |
-6.39130433 |
8 |
95200 |
2604 |
- |
2586 |
= |
18 |
* |
(50 |
/ |
345) |
= |
2.60869565 |
11 |
95202 |
0 |
- |
2628 |
= |
|
* |
(1 |
/ |
345) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Columbia Union
|
-27 |
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 |
97967 |
2411 |
- |
2436 |
= |
-25 |
* |
(50 |
/ |
351) |
= |
-3.56125355 |
4 |
97969 |
2474 |
- |
2485 |
= |
-11 |
* |
(56 |
/ |
351) |
= |
-1.75498575 |
5 |
97972 |
2468 |
- |
2528 |
= |
-60 |
* |
(57 |
/ |
351) |
= |
-9.74358972 |
6 |
97974 |
2485 |
- |
2552 |
= |
-67 |
* |
(70 |
/ |
351) |
= |
-13.36182333 |
7 |
97976 |
2548 |
- |
2567 |
= |
-19 |
* |
(48 |
/ |
351) |
= |
-2.59829058 |
8 |
97977 |
2528 |
- |
2586 |
= |
-58 |
* |
(70 |
/ |
351) |
= |
-11.56695154 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Columbia Union
|
-43 |
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 |
98156 |
2413 |
- |
2436 |
= |
-23 |
* |
(54 |
/ |
317) |
= |
-3.91798107 |
4 |
98159 |
2462 |
- |
2485 |
= |
-23 |
* |
(48 |
/ |
317) |
= |
-3.48264983 |
5 |
98160 |
2468 |
- |
2528 |
= |
-60 |
* |
(54 |
/ |
317) |
= |
-10.22082018 |
6 |
98163 |
2477 |
- |
2552 |
= |
-75 |
* |
(55 |
/ |
317) |
= |
-13.01261828 |
7 |
98164 |
2531 |
- |
2567 |
= |
-36 |
* |
(59 |
/ |
317) |
= |
-6.70031543 |
8 |
98167 |
2559 |
- |
2586 |
= |
-27 |
* |
(47 |
/ |
317) |
= |
-4.00315457 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Columbia Union
|
-41 |
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 |
98826 |
2398 |
- |
2436 |
= |
-38 |
* |
(47 |
/ |
321) |
= |
-5.56386291 |
4 |
98827 |
2476 |
- |
2485 |
= |
-9 |
* |
(49 |
/ |
321) |
= |
-1.37383178 |
5 |
98828 |
2495 |
- |
2528 |
= |
-33 |
* |
(45 |
/ |
321) |
= |
-4.6261682 |
6 |
98829 |
2492 |
- |
2552 |
= |
-60 |
* |
(65 |
/ |
321) |
= |
-12.14953266 |
7 |
98830 |
2502 |
- |
2567 |
= |
-65 |
* |
(57 |
/ |
321) |
= |
-11.54205605 |
8 |
98831 |
2514 |
- |
2586 |
= |
-72 |
* |
(58 |
/ |
321) |
= |
-13.00934578 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Columbia Union
|
-48 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-26
|
-27
|
-43
|
-41
|
-48
|
-185.0 |
-37.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.0
For the lines, you have the data necessary to plot the chart.