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 |
2741500 |
2465 |
- |
2436 |
= |
29 |
* |
(19 |
/ |
74) |
= |
7.44594592 |
4 |
2741503 |
2509 |
- |
2485 |
= |
24 |
* |
(20 |
/ |
74) |
= |
6.48648648 |
5 |
2741504 |
2517 |
- |
2528 |
= |
-11 |
* |
(19 |
/ |
74) |
= |
-2.82432432 |
6 |
2741507 |
2601 |
- |
2552 |
= |
49 |
* |
(16 |
/ |
74) |
= |
10.59459458 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Happy Valley Elementary
|
22 |
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 |
83337 |
2485 |
- |
2436 |
= |
49 |
* |
(20 |
/ |
71) |
= |
13.80281686 |
4 |
83338 |
2512 |
- |
2485 |
= |
27 |
* |
(19 |
/ |
71) |
= |
7.22535209 |
5 |
83341 |
2569 |
- |
2528 |
= |
41 |
* |
(19 |
/ |
71) |
= |
10.97183095 |
6 |
83343 |
2581 |
- |
2552 |
= |
29 |
* |
(13 |
/ |
71) |
= |
5.30985914 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Happy Valley Elementary
|
37 |
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 |
85654 |
2466 |
- |
2436 |
= |
30 |
* |
(21 |
/ |
71) |
= |
8.87323941 |
4 |
85656 |
2510 |
- |
2485 |
= |
25 |
* |
(15 |
/ |
71) |
= |
5.28169013 |
5 |
85659 |
2558 |
- |
2528 |
= |
30 |
* |
(19 |
/ |
71) |
= |
8.02816899 |
6 |
85661 |
2590 |
- |
2552 |
= |
38 |
* |
(16 |
/ |
71) |
= |
8.56338026 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Happy Valley Elementary
|
31 |
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 |
85881 |
2489 |
- |
2436 |
= |
53 |
* |
(19 |
/ |
68) |
= |
14.80882349 |
4 |
85884 |
2504 |
- |
2485 |
= |
19 |
* |
(17 |
/ |
68) |
= |
4.75 |
5 |
85885 |
2548 |
- |
2528 |
= |
20 |
* |
(15 |
/ |
68) |
= |
4.4117647 |
6 |
85888 |
2598 |
- |
2552 |
= |
46 |
* |
(17 |
/ |
68) |
= |
11.5 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Happy Valley Elementary
|
35 |
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 |
86479 |
2537 |
- |
2436 |
= |
101 |
* |
(18 |
/ |
62) |
= |
29.32258058 |
4 |
86480 |
2533 |
- |
2485 |
= |
48 |
* |
(17 |
/ |
62) |
= |
13.1612903 |
5 |
86481 |
2565 |
- |
2528 |
= |
37 |
* |
(16 |
/ |
62) |
= |
9.54838709 |
6 |
86482 |
2586 |
- |
2552 |
= |
34 |
* |
(11 |
/ |
62) |
= |
6.03225804 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Happy Valley Elementary
|
58 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
22
|
37
|
31
|
35
|
58
|
183.0 |
36.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 75.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -2.4
For the lines, you have the data necessary to plot the chart.