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 |
11 |
2168528 |
2559 |
- |
2628 |
= |
-69 |
* |
(531 |
/ |
531) |
= |
-69.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fallbrook Union High
|
-69 |
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 |
11 |
66579 |
2562 |
- |
2628 |
= |
-66 |
* |
(568 |
/ |
568) |
= |
-66.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fallbrook Union High
|
-66 |
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 |
11 |
68413 |
2535 |
- |
2628 |
= |
-93 |
* |
(505 |
/ |
505) |
= |
-93.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fallbrook Union High
|
-93 |
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 |
11 |
68560 |
2544 |
- |
2628 |
= |
-84 |
* |
(487 |
/ |
487) |
= |
-84.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fallbrook Union High
|
-84 |
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 |
11 |
69073 |
2527 |
- |
2628 |
= |
-101 |
* |
(505 |
/ |
505) |
= |
-101.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fallbrook Union High
|
-101 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-69
|
-66
|
-93
|
-84
|
-101
|
-413.0 |
-82.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -127.6
For the lines, you have the data necessary to plot the chart.