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 |
6 |
981524 |
2428 |
- |
2552 |
= |
-124 |
* |
(256 |
/ |
913)
|
= |
-34.7688937 |
7 |
981527 |
2430 |
- |
2567 |
= |
-137 |
* |
(293 |
/ |
913)
|
= |
-43.96604589 |
8 |
981528 |
2469 |
- |
2586 |
= |
-117 |
* |
(364 |
/ |
913)
|
= |
-46.64622117 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for George Washington Carver Middle
|
-125 |
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 |
6 |
31056 |
2410 |
- |
2552 |
= |
-142 |
* |
(232 |
/ |
789)
|
= |
-41.75411906 |
7 |
31058 |
2439 |
- |
2567 |
= |
-128 |
* |
(255 |
/ |
789)
|
= |
-41.36882125 |
8 |
31061 |
2471 |
- |
2586 |
= |
-115 |
* |
(302 |
/ |
789)
|
= |
-44.01774397 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for George Washington Carver Middle
|
-127 |
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 |
6 |
31617 |
2417 |
- |
2552 |
= |
-135 |
* |
(293 |
/ |
782)
|
= |
-50.58184131 |
7 |
31619 |
2439 |
- |
2567 |
= |
-128 |
* |
(224 |
/ |
782)
|
= |
-36.66496154 |
8 |
31621 |
2450 |
- |
2586 |
= |
-136 |
* |
(265 |
/ |
782)
|
= |
-46.08695648 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for George Washington Carver Middle
|
-133 |
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 |
6 |
31662 |
2447 |
- |
2552 |
= |
-105 |
* |
(241 |
/ |
774)
|
= |
-32.69379845 |
7 |
31665 |
2440 |
- |
2567 |
= |
-127 |
* |
(295 |
/ |
774)
|
= |
-48.40439265 |
8 |
31666 |
2450 |
- |
2586 |
= |
-136 |
* |
(238 |
/ |
774)
|
= |
-41.81912144 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for George Washington Carver Middle
|
-123 |
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 |
6 |
31840 |
2469 |
- |
2552 |
= |
-83 |
* |
(217 |
/ |
728)
|
= |
-24.74038461 |
7 |
31841 |
2469 |
- |
2567 |
= |
-98 |
* |
(232 |
/ |
728)
|
= |
-31.23076916 |
8 |
31842 |
2437 |
- |
2586 |
= |
-149 |
* |
(279 |
/ |
728)
|
= |
-57.10302194 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for George Washington Carver Middle
|
-113 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-125
|
-127
|
-133
|
-123
|
-113
|
-621.0 |
-124.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -103.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -145.2
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: