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 |
855698 |
2506 |
- |
2628 |
= |
-122 |
* |
(13 |
/ |
13)
|
= |
-122.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for George S. Patton Continuation
|
-122 |
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 |
27074 |
2450 |
- |
2628 |
= |
-178 |
* |
(19 |
/ |
19)
|
= |
-178.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for George S. Patton Continuation
|
-178 |
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 |
27654 |
2444 |
- |
2628 |
= |
-184 |
* |
(14 |
/ |
14)
|
= |
-184.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for George S. Patton Continuation
|
-184 |
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 |
27700 |
2458 |
- |
2628 |
= |
-170 |
* |
(22 |
/ |
22)
|
= |
-170.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for George S. Patton Continuation
|
-170 |
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 |
27884 |
2494 |
- |
2628 |
= |
-134 |
* |
(24 |
/ |
24)
|
= |
-134.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for George S. Patton Continuation
|
-134 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-122
|
-178
|
-184
|
-170
|
-134
|
-788.0 |
-157.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -76.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -238.6
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: