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 |
2058287 |
2407 |
- |
2436 |
= |
-29 |
* |
(79 |
/ |
225)
|
= |
-10.18222222 |
4 |
2058288 |
2426 |
- |
2485 |
= |
-59 |
* |
(72 |
/ |
225)
|
= |
-18.88 |
5 |
2058291 |
2431 |
- |
2528 |
= |
-97 |
* |
(74 |
/ |
225)
|
= |
-31.90222214 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wilson Elementary
|
-61 |
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 |
63257 |
2399 |
- |
2436 |
= |
-37 |
* |
(80 |
/ |
262)
|
= |
-11.29770991 |
4 |
63258 |
2406 |
- |
2485 |
= |
-79 |
* |
(90 |
/ |
262)
|
= |
-27.13740455 |
5 |
63260 |
2420 |
- |
2528 |
= |
-108 |
* |
(92 |
/ |
262)
|
= |
-37.9236641 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wilson Elementary
|
-76 |
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 |
65046 |
2403 |
- |
2436 |
= |
-33 |
* |
(92 |
/ |
277)
|
= |
-10.96028878 |
4 |
65049 |
2403 |
- |
2485 |
= |
-82 |
* |
(79 |
/ |
277)
|
= |
-23.38628151 |
5 |
65050 |
2410 |
- |
2528 |
= |
-118 |
* |
(106 |
/ |
277)
|
= |
-45.15523464 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wilson Elementary
|
-80 |
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 |
65137 |
2409 |
- |
2436 |
= |
-27 |
* |
(97 |
/ |
260)
|
= |
-10.07307692 |
4 |
65139 |
2414 |
- |
2485 |
= |
-71 |
* |
(82 |
/ |
260)
|
= |
-22.39230767 |
5 |
65141 |
2468 |
- |
2528 |
= |
-60 |
* |
(81 |
/ |
260)
|
= |
-18.69230766 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wilson Elementary
|
-51 |
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 |
65505 |
2386 |
- |
2436 |
= |
-50 |
* |
(91 |
/ |
270)
|
= |
-16.85185185 |
4 |
65506 |
2442 |
- |
2485 |
= |
-43 |
* |
(96 |
/ |
270)
|
= |
-15.28888887 |
5 |
65507 |
2500 |
- |
2528 |
= |
-28 |
* |
(83 |
/ |
270)
|
= |
-8.6074074 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wilson Elementary
|
-41 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-61
|
-76
|
-80
|
-51
|
-41
|
-309.0 |
-61.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.8
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: