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 |
928481 |
2396 |
- |
2436 |
= |
-40 |
* |
(68 |
/ |
220)
|
= |
-12.36363636 |
| 4 |
928484 |
2451 |
- |
2485 |
= |
-34 |
* |
(48 |
/ |
220)
|
= |
-7.41818181 |
| 5 |
928485 |
2474 |
- |
2528 |
= |
-54 |
* |
(51 |
/ |
220)
|
= |
-12.51818177 |
| 6 |
928488 |
2510 |
- |
2552 |
= |
-42 |
* |
(53 |
/ |
220)
|
= |
-10.11818178 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Marianna Avenue Elementary
|
-42 |
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 |
29356 |
2399 |
- |
2436 |
= |
-37 |
* |
(45 |
/ |
205)
|
= |
-8.12195122 |
| 4 |
29358 |
2466 |
- |
2485 |
= |
-19 |
* |
(63 |
/ |
205)
|
= |
-5.83902439 |
| 5 |
29360 |
2483 |
- |
2528 |
= |
-45 |
* |
(47 |
/ |
205)
|
= |
-10.31707314 |
| 6 |
29362 |
2490 |
- |
2552 |
= |
-62 |
* |
(50 |
/ |
205)
|
= |
-15.12195122 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Marianna Avenue Elementary
|
-39 |
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 |
29922 |
2423 |
- |
2436 |
= |
-13 |
* |
(36 |
/ |
185)
|
= |
-2.52972972 |
| 4 |
29924 |
2445 |
- |
2485 |
= |
-40 |
* |
(46 |
/ |
185)
|
= |
-9.94594592 |
| 5 |
29926 |
2494 |
- |
2528 |
= |
-34 |
* |
(57 |
/ |
185)
|
= |
-10.47567567 |
| 6 |
29927 |
2510 |
- |
2552 |
= |
-42 |
* |
(46 |
/ |
185)
|
= |
-10.44324322 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Marianna Avenue Elementary
|
-33 |
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 |
29970 |
2407 |
- |
2436 |
= |
-29 |
* |
(46 |
/ |
191)
|
= |
-6.98429318 |
| 4 |
29972 |
2490 |
- |
2485 |
= |
5 |
* |
(40 |
/ |
191)
|
= |
1.04712042 |
| 5 |
29974 |
2477 |
- |
2528 |
= |
-51 |
* |
(45 |
/ |
191)
|
= |
-12.01570679 |
| 6 |
29976 |
2531 |
- |
2552 |
= |
-21 |
* |
(60 |
/ |
191)
|
= |
-6.59685863 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Marianna Avenue Elementary
|
-25 |
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 |
30145 |
2394 |
- |
2436 |
= |
-42 |
* |
(45 |
/ |
174)
|
= |
-10.86206894 |
| 4 |
30146 |
2470 |
- |
2485 |
= |
-15 |
* |
(45 |
/ |
174)
|
= |
-3.87931034 |
| 5 |
30147 |
2499 |
- |
2528 |
= |
-29 |
* |
(40 |
/ |
174)
|
= |
-6.66666665 |
| 6 |
30148 |
2537 |
- |
2552 |
= |
-15 |
* |
(44 |
/ |
174)
|
= |
-3.79310345 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Marianna Avenue Elementary
|
-25 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-42
|
-39
|
-33
|
-25
|
-25
|
-164.0 |
-32.8 |
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: -53.8
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:
