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 |
916275 |
2387 |
- |
2436 |
= |
-49 |
* |
(137 |
/ |
425)
|
= |
-15.79529411 |
| 4 |
916276 |
2444 |
- |
2485 |
= |
-41 |
* |
(127 |
/ |
425)
|
= |
-12.25176469 |
| 5 |
916279 |
2493 |
- |
2528 |
= |
-35 |
* |
(161 |
/ |
425)
|
= |
-13.25882352 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hobart Boulevard Elementary
|
-41 |
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 |
28965 |
2390 |
- |
2436 |
= |
-46 |
* |
(138 |
/ |
396)
|
= |
-16.03030301 |
| 4 |
28967 |
2444 |
- |
2485 |
= |
-41 |
* |
(130 |
/ |
396)
|
= |
-13.45959595 |
| 5 |
28968 |
2450 |
- |
2528 |
= |
-78 |
* |
(128 |
/ |
396)
|
= |
-25.21212119 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hobart Boulevard Elementary
|
-55 |
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 |
29529 |
2402 |
- |
2436 |
= |
-34 |
* |
(133 |
/ |
380)
|
= |
-11.9 |
| 4 |
29532 |
2435 |
- |
2485 |
= |
-50 |
* |
(128 |
/ |
380)
|
= |
-16.84210525 |
| 5 |
29534 |
2456 |
- |
2528 |
= |
-72 |
* |
(119 |
/ |
380)
|
= |
-22.54736837 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hobart Boulevard Elementary
|
-51 |
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 |
29578 |
2394 |
- |
2436 |
= |
-42 |
* |
(105 |
/ |
351)
|
= |
-12.56410256 |
| 4 |
29581 |
2446 |
- |
2485 |
= |
-39 |
* |
(127 |
/ |
351)
|
= |
-14.11111108 |
| 5 |
29582 |
2457 |
- |
2528 |
= |
-71 |
* |
(119 |
/ |
351)
|
= |
-24.07122507 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hobart Boulevard 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 |
29754 |
2383 |
- |
2436 |
= |
-53 |
* |
(127 |
/ |
352)
|
= |
-19.12215906 |
| 4 |
29755 |
2448 |
- |
2485 |
= |
-37 |
* |
(105 |
/ |
352)
|
= |
-11.0369318 |
| 5 |
29756 |
2467 |
- |
2528 |
= |
-61 |
* |
(120 |
/ |
352)
|
= |
-20.79545449 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hobart Boulevard Elementary
|
-51 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-41
|
-55
|
-51
|
-51
|
-51
|
-249.0 |
-49.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.8
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:
