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 |
854782 |
2427 |
- |
2628 |
= |
-201 |
* |
(19 |
/ |
19)
|
= |
-201.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Amelia Earhart Continuation
|
-201 |
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 |
27038 |
2477 |
- |
2628 |
= |
-151 |
* |
(13 |
/ |
13)
|
= |
-151.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Amelia Earhart Continuation
|
-151 |
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 |
27618 |
2454 |
- |
2628 |
= |
-174 |
* |
(21 |
/ |
21)
|
= |
-174.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Amelia Earhart Continuation
|
-174 |
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 |
27664 |
2491 |
- |
2628 |
= |
-137 |
* |
(20 |
/ |
20)
|
= |
-137.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Amelia Earhart Continuation
|
-137 |
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 |
27848 |
2410 |
- |
2628 |
= |
-218 |
* |
(26 |
/ |
26)
|
= |
-218.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Amelia Earhart Continuation
|
-218 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-201
|
-151
|
-174
|
-137
|
-218
|
-881.0 |
-176.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -77.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -275.2
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: