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 |
3053841 |
2384 |
- |
2436 |
= |
-52 |
* |
(30 |
/ |
143) |
= |
-10.90909087 |
4 |
3053842 |
2418 |
- |
2485 |
= |
-67 |
* |
(34 |
/ |
143) |
= |
-15.93006988 |
5 |
3053845 |
2419 |
- |
2528 |
= |
-109 |
* |
(26 |
/ |
143) |
= |
-19.81818173 |
6 |
3053846 |
2467 |
- |
2552 |
= |
-85 |
* |
(17 |
/ |
143) |
= |
-10.10489503 |
7 |
3053849 |
2501 |
- |
2567 |
= |
-66 |
* |
(12 |
/ |
143) |
= |
-5.53846148 |
8 |
3053850 |
2446 |
- |
2586 |
= |
-140 |
* |
(24 |
/ |
143) |
= |
-23.49650338 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Traver Joint Elementary
|
-86 |
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 |
94005 |
2404 |
- |
2436 |
= |
-32 |
* |
(27 |
/ |
148) |
= |
-5.83783782 |
4 |
94008 |
2410 |
- |
2485 |
= |
-75 |
* |
(30 |
/ |
148) |
= |
-15.20270265 |
5 |
94010 |
2405 |
- |
2528 |
= |
-123 |
* |
(34 |
/ |
148) |
= |
-28.25675667 |
6 |
94011 |
2461 |
- |
2552 |
= |
-91 |
* |
(26 |
/ |
148) |
= |
-15.98648643 |
7 |
94014 |
2505 |
- |
2567 |
= |
-62 |
* |
(17 |
/ |
148) |
= |
-7.12162157 |
8 |
94015 |
2540 |
- |
2586 |
= |
-46 |
* |
(14 |
/ |
148) |
= |
-4.35135132 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Traver Joint Elementary
|
-77 |
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 |
96769 |
2392 |
- |
2436 |
= |
-44 |
* |
(14 |
/ |
124) |
= |
-4.9677419 |
4 |
96771 |
2422 |
- |
2485 |
= |
-63 |
* |
(21 |
/ |
124) |
= |
-10.66935479 |
5 |
96774 |
2437 |
- |
2528 |
= |
-91 |
* |
(27 |
/ |
124) |
= |
-19.81451609 |
6 |
96775 |
2483 |
- |
2552 |
= |
-69 |
* |
(25 |
/ |
124) |
= |
-13.91129031 |
7 |
96778 |
2475 |
- |
2567 |
= |
-92 |
* |
(23 |
/ |
124) |
= |
-17.06451604 |
8 |
96779 |
2534 |
- |
2586 |
= |
-52 |
* |
(14 |
/ |
124) |
= |
-5.8709677 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Traver Joint Elementary
|
-72 |
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 |
96953 |
2394 |
- |
2436 |
= |
-42 |
* |
(24 |
/ |
150) |
= |
-6.72 |
4 |
96954 |
2434 |
- |
2485 |
= |
-51 |
* |
(14 |
/ |
150) |
= |
-4.75999998 |
5 |
96956 |
2444 |
- |
2528 |
= |
-84 |
* |
(25 |
/ |
150) |
= |
-13.99999994 |
6 |
96958 |
2457 |
- |
2552 |
= |
-95 |
* |
(27 |
/ |
150) |
= |
-17.1 |
7 |
96961 |
2463 |
- |
2567 |
= |
-104 |
* |
(33 |
/ |
150) |
= |
-22.88 |
8 |
96962 |
2495 |
- |
2586 |
= |
-91 |
* |
(27 |
/ |
150) |
= |
-16.38 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Traver Joint Elementary
|
-82 |
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 |
97621 |
2365 |
- |
2436 |
= |
-71 |
* |
(15 |
/ |
137) |
= |
-7.77372262 |
4 |
97622 |
2454 |
- |
2485 |
= |
-31 |
* |
(26 |
/ |
137) |
= |
-5.88321165 |
5 |
97623 |
2449 |
- |
2528 |
= |
-79 |
* |
(16 |
/ |
137) |
= |
-9.22627736 |
6 |
97624 |
2493 |
- |
2552 |
= |
-59 |
* |
(22 |
/ |
137) |
= |
-9.47445252 |
7 |
97625 |
2496 |
- |
2567 |
= |
-71 |
* |
(27 |
/ |
137) |
= |
-13.99270066 |
8 |
97626 |
2535 |
- |
2586 |
= |
-51 |
* |
(31 |
/ |
137) |
= |
-11.54014597 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Traver Joint Elementary
|
-58 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-86
|
-77
|
-72
|
-82
|
-58
|
-375.0 |
-75.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.0
For the lines, you have the data necessary to plot the chart.