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 |
1615117 |
2619 |
- |
2628 |
= |
-9 |
* |
(2405 |
/ |
2405) |
= |
-9.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Roseville Joint Union High
|
-9 |
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 |
50513 |
2622 |
- |
2628 |
= |
-6 |
* |
(2432 |
/ |
2432) |
= |
-6.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Roseville Joint Union High
|
-6 |
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 |
51952 |
2620 |
- |
2628 |
= |
-8 |
* |
(2480 |
/ |
2480) |
= |
-8.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Roseville Joint Union High
|
-8 |
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 |
51997 |
2622 |
- |
2628 |
= |
-6 |
* |
(2445 |
/ |
2445) |
= |
-6.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Roseville Joint Union High
|
-6 |
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 |
52185 |
2617 |
- |
2628 |
= |
-11 |
* |
(2396 |
/ |
2396) |
= |
-11.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Roseville Joint Union High
|
-11 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-9
|
-6
|
-8
|
-6
|
-11
|
-40.0 |
-8.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.0
For the lines, you have the data necessary to plot the chart.