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 |
7 |
3202491 |
0 |
- |
2567 |
= |
|
* |
(1 |
/ |
152) |
= |
|
8 |
3202492 |
0 |
- |
2586 |
= |
|
* |
(2 |
/ |
152) |
= |
|
11 |
3202495 |
2559 |
- |
2628 |
= |
-69 |
* |
(149 |
/ |
152) |
= |
-67.63815783 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wheatland Union High
|
-68 |
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 |
8 |
98700 |
0 |
- |
2586 |
= |
|
* |
(1 |
/ |
153) |
= |
|
11 |
98703 |
2546 |
- |
2628 |
= |
-82 |
* |
(152 |
/ |
153) |
= |
-81.46405226 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wheatland Union High
|
-81 |
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 |
7 |
101569 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
144) |
= |
|
11 |
101571 |
2569 |
- |
2628 |
= |
-59 |
* |
(144 |
/ |
144) |
= |
-59.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wheatland Union High
|
-59 |
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 |
101719 |
2559 |
- |
2628 |
= |
-69 |
* |
(162 |
/ |
162) |
= |
-69.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wheatland Union High
|
-69 |
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 |
102369 |
2545 |
- |
2628 |
= |
-83 |
* |
(212 |
/ |
212) |
= |
-83.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wheatland Union High
|
-83 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-68
|
-81
|
-59
|
-69
|
-83
|
-360.0 |
-72.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.0
For the lines, you have the data necessary to plot the chart.