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 |
897029 |
2420 |
- |
2436 |
= |
-16 |
* |
(122 |
/ |
366)
|
= |
-5.33333333 |
4 |
897032 |
2460 |
- |
2485 |
= |
-25 |
* |
(118 |
/ |
366)
|
= |
-8.06010928 |
5 |
897033 |
2471 |
- |
2528 |
= |
-57 |
* |
(126 |
/ |
366)
|
= |
-19.62295082 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dyer Street Elementary
|
-33 |
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 |
28347 |
2419 |
- |
2436 |
= |
-17 |
* |
(133 |
/ |
365)
|
= |
-6.19452054 |
4 |
28349 |
2473 |
- |
2485 |
= |
-12 |
* |
(118 |
/ |
365)
|
= |
-3.87945205 |
5 |
28351 |
2472 |
- |
2528 |
= |
-56 |
* |
(114 |
/ |
365)
|
= |
-17.49041095 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dyer Street Elementary
|
-28 |
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 |
28913 |
2432 |
- |
2436 |
= |
-4 |
* |
(113 |
/ |
366)
|
= |
-1.23497268 |
4 |
28915 |
2463 |
- |
2485 |
= |
-22 |
* |
(130 |
/ |
366)
|
= |
-7.81420763 |
5 |
28917 |
2481 |
- |
2528 |
= |
-47 |
* |
(123 |
/ |
366)
|
= |
-15.79508193 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dyer Street Elementary
|
-25 |
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 |
28963 |
2432 |
- |
2436 |
= |
-4 |
* |
(92 |
/ |
335)
|
= |
-1.09850746 |
4 |
28965 |
2493 |
- |
2485 |
= |
8 |
* |
(115 |
/ |
335)
|
= |
2.74626866 |
5 |
28967 |
2482 |
- |
2528 |
= |
-46 |
* |
(128 |
/ |
335)
|
= |
-17.57611939 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dyer Street Elementary
|
-16 |
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 |
29142 |
2451 |
- |
2436 |
= |
15 |
* |
(116 |
/ |
324)
|
= |
5.37037037 |
4 |
29143 |
2476 |
- |
2485 |
= |
-9 |
* |
(90 |
/ |
324)
|
= |
-2.49999999 |
5 |
29144 |
2510 |
- |
2528 |
= |
-18 |
* |
(118 |
/ |
324)
|
= |
-6.55555554 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dyer Street Elementary
|
-4 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-33
|
-28
|
-25
|
-16
|
-4
|
-106.0 |
-21.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.2
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: