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 |
8 |
852905 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
35)
|
= |
|
11 |
852906 |
2392 |
- |
2628 |
= |
-236 |
* |
(35 |
/ |
35)
|
= |
-236.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Thomas Riley High
|
-236 |
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 |
8 |
26975 |
0 |
- |
2586 |
= |
|
* |
(1 |
/ |
36)
|
= |
|
11 |
26977 |
2430 |
- |
2628 |
= |
-198 |
* |
(35 |
/ |
36)
|
= |
-192.49999996 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Thomas Riley High
|
-192 |
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 |
27556 |
2379 |
- |
2628 |
= |
-249 |
* |
(17 |
/ |
17)
|
= |
-249.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Thomas Riley High
|
-249 |
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 |
8 |
27601 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
18)
|
= |
|
11 |
27603 |
2391 |
- |
2628 |
= |
-237 |
* |
(17 |
/ |
18)
|
= |
-223.83333323 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Thomas Riley High
|
-224 |
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 |
8 |
27785 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
12)
|
= |
|
11 |
27786 |
2427 |
- |
2628 |
= |
-201 |
* |
(11 |
/ |
12)
|
= |
-184.24999987 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Thomas Riley High
|
-184 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-236
|
-192
|
-249
|
-224
|
-184
|
-1085.0 |
-217.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -133.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -301.0
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: