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 |
868320 |
2394 |
- |
2436 |
= |
-42 |
* |
(38 |
/ |
154)
|
= |
-10.36363633 |
4 |
868321 |
2409 |
- |
2485 |
= |
-76 |
* |
(46 |
/ |
154)
|
= |
-22.70129865 |
5 |
868324 |
2447 |
- |
2528 |
= |
-81 |
* |
(40 |
/ |
154)
|
= |
-21.03896098 |
6 |
868325 |
2480 |
- |
2552 |
= |
-72 |
* |
(30 |
/ |
154)
|
= |
-14.02597397 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Albion Street Elementary
|
-68 |
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 |
27463 |
2420 |
- |
2436 |
= |
-16 |
* |
(30 |
/ |
132)
|
= |
-3.63636363 |
4 |
27465 |
2427 |
- |
2485 |
= |
-58 |
* |
(38 |
/ |
132)
|
= |
-16.69696965 |
5 |
27466 |
2418 |
- |
2528 |
= |
-110 |
* |
(37 |
/ |
132)
|
= |
-30.8333333 |
6 |
27468 |
2482 |
- |
2552 |
= |
-70 |
* |
(27 |
/ |
132)
|
= |
-14.31818178 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Albion Street Elementary
|
-65 |
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 |
28038 |
2427 |
- |
2436 |
= |
-9 |
* |
(24 |
/ |
116)
|
= |
-1.86206896 |
4 |
28039 |
2440 |
- |
2485 |
= |
-45 |
* |
(32 |
/ |
116)
|
= |
-12.41379306 |
5 |
28042 |
2438 |
- |
2528 |
= |
-90 |
* |
(35 |
/ |
116)
|
= |
-27.15517233 |
6 |
28044 |
2466 |
- |
2552 |
= |
-86 |
* |
(25 |
/ |
116)
|
= |
-18.53448273 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Albion Street Elementary
|
-60 |
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 |
28089 |
2385 |
- |
2436 |
= |
-51 |
* |
(34 |
/ |
112)
|
= |
-15.48214283 |
4 |
28091 |
2451 |
- |
2485 |
= |
-34 |
* |
(24 |
/ |
112)
|
= |
-7.28571428 |
5 |
28093 |
2461 |
- |
2528 |
= |
-67 |
* |
(29 |
/ |
112)
|
= |
-17.34821426 |
6 |
28095 |
2453 |
- |
2552 |
= |
-99 |
* |
(25 |
/ |
112)
|
= |
-22.09821422 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Albion Street Elementary
|
-62 |
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 |
28269 |
2424 |
- |
2436 |
= |
-12 |
* |
(27 |
/ |
100)
|
= |
-3.24 |
4 |
28270 |
2415 |
- |
2485 |
= |
-70 |
* |
(29 |
/ |
100)
|
= |
-20.3 |
5 |
28271 |
2455 |
- |
2528 |
= |
-73 |
* |
(22 |
/ |
100)
|
= |
-16.06 |
6 |
28272 |
2460 |
- |
2552 |
= |
-92 |
* |
(22 |
/ |
100)
|
= |
-20.24 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Albion Street Elementary
|
-60 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-68
|
-65
|
-60
|
-62
|
-60
|
-315.0 |
-63.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.0
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: