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 |
3 |
2241918 |
2406 |
- |
2436 |
= |
-30 |
* |
(85 |
/ |
256)
|
= |
-9.9609375 |
4 |
2241921 |
2439 |
- |
2485 |
= |
-46 |
* |
(80 |
/ |
256)
|
= |
-14.375 |
5 |
2241922 |
2457 |
- |
2528 |
= |
-71 |
* |
(91 |
/ |
256)
|
= |
-25.23828125 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Boone Elementary
|
-50 |
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 |
3 |
68818 |
2404 |
- |
2436 |
= |
-32 |
* |
(75 |
/ |
239)
|
= |
-10.04184099 |
4 |
68820 |
2447 |
- |
2485 |
= |
-38 |
* |
(91 |
/ |
239)
|
= |
-14.46861924 |
5 |
68821 |
2455 |
- |
2528 |
= |
-73 |
* |
(73 |
/ |
239)
|
= |
-22.29707109 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Boone Elementary
|
-47 |
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 |
3 |
70651 |
2391 |
- |
2436 |
= |
-45 |
* |
(80 |
/ |
250)
|
= |
-14.4 |
4 |
70653 |
2426 |
- |
2485 |
= |
-59 |
* |
(79 |
/ |
250)
|
= |
-18.644 |
5 |
70655 |
2462 |
- |
2528 |
= |
-66 |
* |
(91 |
/ |
250)
|
= |
-24.024 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Boone Elementary
|
-57 |
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 |
3 |
70797 |
2405 |
- |
2436 |
= |
-31 |
* |
(64 |
/ |
224)
|
= |
-8.85714284 |
4 |
70799 |
2443 |
- |
2485 |
= |
-42 |
* |
(80 |
/ |
224)
|
= |
-14.99999999 |
5 |
70801 |
2464 |
- |
2528 |
= |
-64 |
* |
(80 |
/ |
224)
|
= |
-22.85714285 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Boone Elementary
|
-47 |
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 |
3 |
71285 |
2437 |
- |
2436 |
= |
1 |
* |
(64 |
/ |
199)
|
= |
0.32160804 |
4 |
71286 |
2436 |
- |
2485 |
= |
-49 |
* |
(64 |
/ |
199)
|
= |
-15.75879396 |
5 |
71287 |
2470 |
- |
2528 |
= |
-58 |
* |
(71 |
/ |
199)
|
= |
-20.6934673 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Boone Elementary
|
-36 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-50
|
-47
|
-57
|
-47
|
-36
|
-237.0 |
-47.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.4
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: