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 |
718528 |
0 |
- |
2436 |
= |
|
* |
(9 |
/ |
77) |
= |
|
4 |
718529 |
2381 |
- |
2485 |
= |
-104 |
* |
(19 |
/ |
77) |
= |
-25.66233758 |
5 |
718532 |
2449 |
- |
2528 |
= |
-79 |
* |
(18 |
/ |
77) |
= |
-18.46753241 |
6 |
718533 |
2443 |
- |
2552 |
= |
-109 |
* |
(11 |
/ |
77) |
= |
-15.57142848 |
7 |
718536 |
0 |
- |
2567 |
= |
|
* |
(8 |
/ |
77) |
= |
|
8 |
718537 |
2557 |
- |
2586 |
= |
-29 |
* |
(12 |
/ |
77) |
= |
-4.5194805 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Gorman Joint
|
-64 |
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 |
22639 |
2413 |
- |
2436 |
= |
-23 |
* |
(12 |
/ |
68) |
= |
-4.05882352 |
4 |
22640 |
0 |
- |
2485 |
= |
|
* |
(7 |
/ |
68) |
= |
|
5 |
22642 |
2441 |
- |
2528 |
= |
-87 |
* |
(14 |
/ |
68) |
= |
-17.91176462 |
6 |
22644 |
2503 |
- |
2552 |
= |
-49 |
* |
(14 |
/ |
68) |
= |
-10.08823525 |
7 |
22646 |
2511 |
- |
2567 |
= |
-56 |
* |
(12 |
/ |
68) |
= |
-9.88235293 |
8 |
22649 |
0 |
- |
2586 |
= |
|
* |
(9 |
/ |
68) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Gorman Joint
|
-42 |
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 |
23064 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
63) |
= |
|
4 |
23066 |
2493 |
- |
2485 |
= |
8 |
* |
(11 |
/ |
63) |
= |
1.39682539 |
5 |
23068 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
63) |
= |
|
6 |
23069 |
2521 |
- |
2552 |
= |
-31 |
* |
(13 |
/ |
63) |
= |
-6.39682539 |
7 |
23071 |
2558 |
- |
2567 |
= |
-9 |
* |
(14 |
/ |
63) |
= |
-2.0 |
8 |
23074 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
63) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Gorman Joint
|
-7 |
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 |
23064 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
52) |
= |
|
4 |
23066 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
52) |
= |
|
5 |
23068 |
2446 |
- |
2528 |
= |
-82 |
* |
(14 |
/ |
52) |
= |
-22.07692306 |
6 |
23070 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
52) |
= |
|
7 |
23072 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
52) |
= |
|
8 |
23074 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
52) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Gorman Joint
|
-22 |
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 |
23245 |
0 |
- |
2436 |
= |
|
* |
(7 |
/ |
52) |
= |
|
4 |
23246 |
0 |
- |
2485 |
= |
|
* |
(8 |
/ |
52) |
= |
|
5 |
23247 |
0 |
- |
2528 |
= |
|
* |
(8 |
/ |
52) |
= |
|
6 |
23248 |
2521 |
- |
2552 |
= |
-31 |
* |
(13 |
/ |
52) |
= |
-7.75 |
7 |
23249 |
0 |
- |
2567 |
= |
|
* |
(8 |
/ |
52) |
= |
|
8 |
23250 |
0 |
- |
2586 |
= |
|
* |
(8 |
/ |
52) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Gorman Joint
|
-8 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-64
|
-42
|
-7
|
-22
|
-8
|
-143.0 |
-28.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 43.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.6
For the lines, you have the data necessary to plot the chart.