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 |
857501 |
2445 |
- |
2628 |
= |
-183 |
* |
(21 |
/ |
21)
|
= |
-183.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dan M. Issacs Avalon High
|
-183 |
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 |
27130 |
2445 |
- |
2628 |
= |
-183 |
* |
(34 |
/ |
34)
|
= |
-183.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dan M. Issacs Avalon High
|
-183 |
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 |
27709 |
2418 |
- |
2628 |
= |
-210 |
* |
(25 |
/ |
25)
|
= |
-210.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dan M. Issacs Avalon High
|
-210 |
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 |
27757 |
2429 |
- |
2628 |
= |
-199 |
* |
(36 |
/ |
36)
|
= |
-199.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dan M. Issacs Avalon High
|
-199 |
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 |
27936 |
2410 |
- |
2628 |
= |
-218 |
* |
(23 |
/ |
23)
|
= |
-218.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dan M. Issacs Avalon High
|
-218 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-183
|
-183
|
-210
|
-199
|
-218
|
-993.0 |
-198.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -153.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -243.6
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: