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 |
1280056 |
2540 |
- |
2628 |
= |
-88 |
* |
(28 |
/ |
28) |
= |
-88.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Point Arena Joint Union High
|
-88 |
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 |
40039 |
2508 |
- |
2628 |
= |
-120 |
* |
(29 |
/ |
29) |
= |
-120.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Point Arena Joint Union High
|
-120 |
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 |
41054 |
2427 |
- |
2628 |
= |
-201 |
* |
(31 |
/ |
31) |
= |
-201.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Point Arena Joint Union High
|
-201 |
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 |
41075 |
2427 |
- |
2628 |
= |
-201 |
* |
(36 |
/ |
36) |
= |
-201.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Point Arena Joint Union High
|
-201 |
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 |
41220 |
2477 |
- |
2628 |
= |
-151 |
* |
(36 |
/ |
36) |
= |
-151.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Point Arena Joint Union High
|
-151 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-88
|
-120
|
-201
|
-201
|
-151
|
-761.0 |
-152.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -5.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -299.2
For the lines, you have the data necessary to plot the chart.