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 |
90563 |
2369 |
- |
2436 |
= |
-67 |
* |
(70 |
/ |
192)
|
= |
-24.42708331 |
| 4 |
90564 |
2402 |
- |
2485 |
= |
-83 |
* |
(58 |
/ |
192)
|
= |
-25.07291664 |
| 5 |
90567 |
2444 |
- |
2528 |
= |
-84 |
* |
(64 |
/ |
192)
|
= |
-27.99999997 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Horace Mann Elementary
|
-77 |
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 |
2546 |
2367 |
- |
2436 |
= |
-69 |
* |
(60 |
/ |
180)
|
= |
-22.99999998 |
| 4 |
2548 |
2415 |
- |
2485 |
= |
-70 |
* |
(66 |
/ |
180)
|
= |
-25.66666662 |
| 5 |
2549 |
2423 |
- |
2528 |
= |
-105 |
* |
(54 |
/ |
180)
|
= |
-31.5 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Horace Mann Elementary
|
-80 |
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 |
2618 |
2341 |
- |
2436 |
= |
-95 |
* |
(55 |
/ |
190)
|
= |
-27.49999998 |
| 4 |
2619 |
2401 |
- |
2485 |
= |
-84 |
* |
(59 |
/ |
190)
|
= |
-26.08421046 |
| 5 |
2622 |
2429 |
- |
2528 |
= |
-99 |
* |
(76 |
/ |
190)
|
= |
-39.6 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Horace Mann Elementary
|
-93 |
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 |
2621 |
2331 |
- |
2436 |
= |
-105 |
* |
(52 |
/ |
162)
|
= |
-33.70370367 |
| 4 |
2624 |
2345 |
- |
2485 |
= |
-140 |
* |
(52 |
/ |
162)
|
= |
-44.93827156 |
| 5 |
2625 |
2408 |
- |
2528 |
= |
-120 |
* |
(58 |
/ |
162)
|
= |
-42.96296292 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Horace Mann Elementary
|
-122 |
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 |
2643 |
2333 |
- |
2436 |
= |
-103 |
* |
(53 |
/ |
154)
|
= |
-35.44805193 |
| 4 |
2644 |
2367 |
- |
2485 |
= |
-118 |
* |
(51 |
/ |
154)
|
= |
-39.07792206 |
| 5 |
2645 |
2386 |
- |
2528 |
= |
-142 |
* |
(50 |
/ |
154)
|
= |
-46.10389601 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Horace Mann Elementary
|
-121 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-77
|
-80
|
-93
|
-122
|
-121
|
-493.0 |
-98.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -161.6
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:
