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 |
1467474 |
2496 |
- |
2436 |
= |
60 |
* |
(56 |
/ |
225)
|
= |
14.93333328 |
| 4 |
1467477 |
2542 |
- |
2485 |
= |
57 |
* |
(41 |
/ |
225)
|
= |
10.38666665 |
| 5 |
1467478 |
2539 |
- |
2528 |
= |
11 |
* |
(53 |
/ |
225)
|
= |
2.59111111 |
| 6 |
1467481 |
2565 |
- |
2552 |
= |
13 |
* |
(75 |
/ |
225)
|
= |
4.33333333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for A. G. Cook Elementary
|
32 |
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 |
46070 |
2486 |
- |
2436 |
= |
50 |
* |
(40 |
/ |
188)
|
= |
10.63829785 |
| 4 |
46072 |
2545 |
- |
2485 |
= |
60 |
* |
(50 |
/ |
188)
|
= |
15.95744676 |
| 5 |
46074 |
2557 |
- |
2528 |
= |
29 |
* |
(42 |
/ |
188)
|
= |
6.4787234 |
| 6 |
46077 |
2577 |
- |
2552 |
= |
25 |
* |
(56 |
/ |
188)
|
= |
7.4468085 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for A. G. Cook Elementary
|
41 |
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 |
47313 |
2484 |
- |
2436 |
= |
48 |
* |
(52 |
/ |
190)
|
= |
13.13684208 |
| 4 |
47314 |
2530 |
- |
2485 |
= |
45 |
* |
(42 |
/ |
190)
|
= |
9.9473684 |
| 5 |
47317 |
2552 |
- |
2528 |
= |
24 |
* |
(53 |
/ |
190)
|
= |
6.69473683 |
| 6 |
47318 |
2591 |
- |
2552 |
= |
39 |
* |
(43 |
/ |
190)
|
= |
8.82631577 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for A. G. Cook Elementary
|
39 |
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 |
47323 |
2495 |
- |
2436 |
= |
59 |
* |
(43 |
/ |
196)
|
= |
12.94387755 |
| 4 |
47325 |
2546 |
- |
2485 |
= |
61 |
* |
(52 |
/ |
196)
|
= |
16.18367344 |
| 5 |
47327 |
2543 |
- |
2528 |
= |
15 |
* |
(42 |
/ |
196)
|
= |
3.21428571 |
| 6 |
47329 |
2583 |
- |
2552 |
= |
31 |
* |
(59 |
/ |
196)
|
= |
9.33163265 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for A. G. Cook Elementary
|
42 |
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 |
47502 |
2499 |
- |
2436 |
= |
63 |
* |
(53 |
/ |
188)
|
= |
17.76063826 |
| 4 |
47503 |
2538 |
- |
2485 |
= |
53 |
* |
(41 |
/ |
188)
|
= |
11.55851062 |
| 5 |
47504 |
2563 |
- |
2528 |
= |
35 |
* |
(52 |
/ |
188)
|
= |
9.68085104 |
| 6 |
47505 |
2587 |
- |
2552 |
= |
35 |
* |
(42 |
/ |
188)
|
= |
7.81914893 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for A. G. Cook Elementary
|
47 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
32
|
41
|
39
|
42
|
47
|
201.0 |
40.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 55.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 25.2
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:
