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 |
863201 |
2481 |
- |
2628 |
= |
-147 |
* |
(267 |
/ |
267)
|
= |
-147.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Manual Arts Senior High
|
-147 |
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 |
27308 |
2491 |
- |
2628 |
= |
-137 |
* |
(307 |
/ |
307)
|
= |
-137.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Manual Arts Senior High
|
-137 |
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 |
27886 |
2486 |
- |
2628 |
= |
-142 |
* |
(308 |
/ |
308)
|
= |
-142.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Manual Arts Senior High
|
-142 |
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 |
27935 |
2489 |
- |
2628 |
= |
-139 |
* |
(373 |
/ |
373)
|
= |
-139.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Manual Arts Senior High
|
-139 |
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 |
28114 |
2467 |
- |
2628 |
= |
-161 |
* |
(315 |
/ |
315)
|
= |
-161.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Manual Arts Senior High
|
-161 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-147
|
-137
|
-142
|
-139
|
-161
|
-726.0 |
-145.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -118.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -172.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: