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 |
2363950 |
2464 |
- |
2436 |
= |
28 |
* |
(45 |
/ |
125)
|
= |
10.08 |
| 4 |
2363953 |
2495 |
- |
2485 |
= |
10 |
* |
(35 |
/ |
125)
|
= |
2.8 |
| 5 |
2363954 |
2520 |
- |
2528 |
= |
-8 |
* |
(45 |
/ |
125)
|
= |
-2.88 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for McCoppin (Frank) Elementary
|
10 |
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 |
72224 |
2463 |
- |
2436 |
= |
27 |
* |
(30 |
/ |
102)
|
= |
7.94117647 |
| 4 |
72226 |
2519 |
- |
2485 |
= |
34 |
* |
(37 |
/ |
102)
|
= |
12.33333333 |
| 5 |
72227 |
2562 |
- |
2528 |
= |
34 |
* |
(35 |
/ |
102)
|
= |
11.66666664 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for McCoppin (Frank) Elementary
|
32 |
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 |
74198 |
2422 |
- |
2436 |
= |
-14 |
* |
(34 |
/ |
103)
|
= |
-4.62135922 |
| 4 |
74199 |
2501 |
- |
2485 |
= |
16 |
* |
(32 |
/ |
103)
|
= |
4.97087378 |
| 5 |
74201 |
2532 |
- |
2528 |
= |
4 |
* |
(37 |
/ |
103)
|
= |
1.4368932 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for McCoppin (Frank) Elementary
|
2 |
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 |
74371 |
2448 |
- |
2436 |
= |
12 |
* |
(27 |
/ |
97)
|
= |
3.34020618 |
| 4 |
74374 |
2468 |
- |
2485 |
= |
-17 |
* |
(34 |
/ |
97)
|
= |
-5.95876287 |
| 5 |
74375 |
2540 |
- |
2528 |
= |
12 |
* |
(36 |
/ |
97)
|
= |
4.45360824 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for McCoppin (Frank) Elementary
|
2 |
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 |
74895 |
2448 |
- |
2436 |
= |
12 |
* |
(41 |
/ |
96)
|
= |
5.125 |
| 4 |
74896 |
2466 |
- |
2485 |
= |
-19 |
* |
(22 |
/ |
96)
|
= |
-4.35416665 |
| 5 |
74897 |
2532 |
- |
2528 |
= |
4 |
* |
(33 |
/ |
96)
|
= |
1.375 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for McCoppin (Frank) Elementary
|
2 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
10
|
32
|
2
|
2
|
2
|
48.0 |
9.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 45.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.4
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:
