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 |
2248268 |
2411 |
- |
2436 |
= |
-25 |
* |
(39 |
/ |
125)
|
= |
-7.8 |
| 4 |
2248269 |
2430 |
- |
2485 |
= |
-55 |
* |
(38 |
/ |
125)
|
= |
-16.72 |
| 5 |
2248272 |
2446 |
- |
2528 |
= |
-82 |
* |
(48 |
/ |
125)
|
= |
-31.488 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Franklin Elementary
|
-56 |
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 |
69005 |
2428 |
- |
2436 |
= |
-8 |
* |
(47 |
/ |
124)
|
= |
-3.03225806 |
| 4 |
69007 |
2433 |
- |
2485 |
= |
-52 |
* |
(41 |
/ |
124)
|
= |
-17.19354837 |
| 5 |
69010 |
2440 |
- |
2528 |
= |
-88 |
* |
(36 |
/ |
124)
|
= |
-25.54838704 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Franklin Elementary
|
-46 |
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 |
70838 |
2453 |
- |
2436 |
= |
17 |
* |
(37 |
/ |
124)
|
= |
5.07258063 |
| 4 |
70841 |
2431 |
- |
2485 |
= |
-54 |
* |
(50 |
/ |
124)
|
= |
-21.77419352 |
| 5 |
70842 |
2435 |
- |
2528 |
= |
-93 |
* |
(37 |
/ |
124)
|
= |
-27.74999993 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Franklin Elementary
|
-44 |
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 |
70983 |
2465 |
- |
2436 |
= |
29 |
* |
(38 |
/ |
129)
|
= |
8.54263565 |
| 4 |
70985 |
2433 |
- |
2485 |
= |
-52 |
* |
(44 |
/ |
129)
|
= |
-17.73643409 |
| 5 |
70987 |
2440 |
- |
2528 |
= |
-88 |
* |
(47 |
/ |
129)
|
= |
-32.06201548 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Franklin Elementary
|
-41 |
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 |
71471 |
2466 |
- |
2436 |
= |
30 |
* |
(53 |
/ |
147)
|
= |
10.81632651 |
| 4 |
71472 |
2466 |
- |
2485 |
= |
-19 |
* |
(48 |
/ |
147)
|
= |
-6.20408163 |
| 5 |
71473 |
2435 |
- |
2528 |
= |
-93 |
* |
(46 |
/ |
147)
|
= |
-29.10204081 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Franklin Elementary
|
-24 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-56
|
-46
|
-44
|
-41
|
-24
|
-211.0 |
-42.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -9.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.2
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:
