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 |
2802126 |
2532 |
- |
2628 |
= |
-96 |
* |
(17 |
/ |
17) |
= |
-96.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dunsmuir Joint Union High
|
-96 |
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 |
85570 |
2533 |
- |
2628 |
= |
-95 |
* |
(16 |
/ |
16) |
= |
-95.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dunsmuir Joint Union High
|
-95 |
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 |
87946 |
2492 |
- |
2628 |
= |
-136 |
* |
(16 |
/ |
16) |
= |
-136.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dunsmuir Joint Union High
|
-136 |
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 |
88178 |
2504 |
- |
2628 |
= |
-124 |
* |
(14 |
/ |
14) |
= |
-124.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dunsmuir Joint Union High
|
-124 |
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 |
88822 |
2517 |
- |
2628 |
= |
-111 |
* |
(14 |
/ |
14) |
= |
-111.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dunsmuir Joint Union High
|
-111 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-96
|
-95
|
-136
|
-124
|
-111
|
-562.0 |
-112.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -61.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -163.4
For the lines, you have the data necessary to plot the chart.