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 |
1007370 |
2390 |
- |
2436 |
= |
-46 |
* |
(115 |
/ |
406)
|
= |
-13.02955663 |
4 |
1007373 |
2395 |
- |
2485 |
= |
-90 |
* |
(148 |
/ |
406)
|
= |
-32.80788171 |
5 |
1007374 |
2436 |
- |
2528 |
= |
-92 |
* |
(143 |
/ |
406)
|
= |
-32.40394082 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Walnut Park Elementary
|
-78 |
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 |
31791 |
2402 |
- |
2436 |
= |
-34 |
* |
(137 |
/ |
398)
|
= |
-11.70351757 |
4 |
31792 |
2411 |
- |
2485 |
= |
-74 |
* |
(113 |
/ |
398)
|
= |
-21.01005018 |
5 |
31795 |
2432 |
- |
2528 |
= |
-96 |
* |
(148 |
/ |
398)
|
= |
-35.69849242 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Walnut Park Elementary
|
-68 |
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 |
32344 |
2361 |
- |
2436 |
= |
-75 |
* |
(120 |
/ |
359)
|
= |
-25.06963785 |
4 |
32346 |
2404 |
- |
2485 |
= |
-81 |
* |
(131 |
/ |
359)
|
= |
-29.55710299 |
5 |
32347 |
2447 |
- |
2528 |
= |
-81 |
* |
(108 |
/ |
359)
|
= |
-24.36768797 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Walnut Park Elementary
|
-79 |
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 |
32371 |
2378 |
- |
2436 |
= |
-58 |
* |
(106 |
/ |
357)
|
= |
-17.22128849 |
4 |
32373 |
2395 |
- |
2485 |
= |
-90 |
* |
(118 |
/ |
357)
|
= |
-29.74789908 |
5 |
32375 |
2461 |
- |
2528 |
= |
-67 |
* |
(133 |
/ |
357)
|
= |
-24.96078427 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Walnut Park Elementary
|
-72 |
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 |
32552 |
2418 |
- |
2436 |
= |
-18 |
* |
(94 |
/ |
314)
|
= |
-5.38853503 |
4 |
32553 |
2434 |
- |
2485 |
= |
-51 |
* |
(103 |
/ |
314)
|
= |
-16.72929933 |
5 |
32554 |
2420 |
- |
2528 |
= |
-108 |
* |
(117 |
/ |
314)
|
= |
-40.24203811 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Walnut Park Elementary
|
-62 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-78
|
-68
|
-79
|
-72
|
-62
|
-359.0 |
-71.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.8
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: