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 |
2272661 |
2421 |
- |
2436 |
= |
-15 |
* |
(84 |
/ |
254)
|
= |
-4.96062992 |
| 4 |
2272662 |
2457 |
- |
2485 |
= |
-28 |
* |
(94 |
/ |
254)
|
= |
-10.36220472 |
| 5 |
2272665 |
2477 |
- |
2528 |
= |
-51 |
* |
(76 |
/ |
254)
|
= |
-15.2598425 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hancock Elementary
|
-31 |
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 |
69692 |
2433 |
- |
2436 |
= |
-3 |
* |
(112 |
/ |
293)
|
= |
-1.14675768 |
| 4 |
69694 |
2485 |
- |
2485 |
= |
0 |
* |
(78 |
/ |
293)
|
= |
0.0 |
| 5 |
69696 |
2499 |
- |
2528 |
= |
-29 |
* |
(103 |
/ |
293)
|
= |
-10.19453924 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hancock Elementary
|
-11 |
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 |
71525 |
2446 |
- |
2436 |
= |
10 |
* |
(85 |
/ |
248)
|
= |
3.42741935 |
| 4 |
71527 |
2490 |
- |
2485 |
= |
5 |
* |
(102 |
/ |
248)
|
= |
2.05645161 |
| 5 |
71529 |
2521 |
- |
2528 |
= |
-7 |
* |
(61 |
/ |
248)
|
= |
-1.72177419 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hancock Elementary
|
4 |
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 |
71669 |
2452 |
- |
2436 |
= |
16 |
* |
(95 |
/ |
262)
|
= |
5.8015267 |
| 4 |
71672 |
2496 |
- |
2485 |
= |
11 |
* |
(85 |
/ |
262)
|
= |
3.56870228 |
| 5 |
71673 |
2520 |
- |
2528 |
= |
-8 |
* |
(82 |
/ |
262)
|
= |
-2.50381679 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hancock Elementary
|
7 |
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 |
72155 |
2465 |
- |
2436 |
= |
29 |
* |
(88 |
/ |
248)
|
= |
10.29032256 |
| 4 |
72156 |
2488 |
- |
2485 |
= |
3 |
* |
(84 |
/ |
248)
|
= |
1.01612903 |
| 5 |
72157 |
2541 |
- |
2528 |
= |
13 |
* |
(76 |
/ |
248)
|
= |
3.98387096 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hancock Elementary
|
15 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-31
|
-11
|
4
|
7
|
15
|
-16.0 |
-3.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 50.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -57.2
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:
