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 |
2271443 |
2473 |
- |
2436 |
= |
37 |
* |
(137 |
/ |
368)
|
= |
13.7744565 |
| 4 |
2271444 |
2500 |
- |
2485 |
= |
15 |
* |
(114 |
/ |
368)
|
= |
4.64673912 |
| 5 |
2271447 |
2553 |
- |
2528 |
= |
25 |
* |
(117 |
/ |
368)
|
= |
7.94836955 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sandburg Elementary
|
26 |
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 |
69660 |
2493 |
- |
2436 |
= |
57 |
* |
(113 |
/ |
340)
|
= |
18.94411764 |
| 4 |
69661 |
2541 |
- |
2485 |
= |
56 |
* |
(124 |
/ |
340)
|
= |
20.42352939 |
| 5 |
69663 |
2561 |
- |
2528 |
= |
33 |
* |
(103 |
/ |
340)
|
= |
9.99705881 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sandburg Elementary
|
49 |
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 |
71492 |
2494 |
- |
2436 |
= |
58 |
* |
(87 |
/ |
324)
|
= |
15.57407404 |
| 4 |
71495 |
2518 |
- |
2485 |
= |
33 |
* |
(115 |
/ |
324)
|
= |
11.71296294 |
| 5 |
71497 |
2576 |
- |
2528 |
= |
48 |
* |
(122 |
/ |
324)
|
= |
18.07407403 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sandburg Elementary
|
45 |
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 |
71637 |
2515 |
- |
2436 |
= |
79 |
* |
(86 |
/ |
287)
|
= |
23.67247379 |
| 4 |
71639 |
2543 |
- |
2485 |
= |
58 |
* |
(89 |
/ |
287)
|
= |
17.98606268 |
| 5 |
71641 |
2569 |
- |
2528 |
= |
41 |
* |
(112 |
/ |
287)
|
= |
15.99999998 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sandburg Elementary
|
58 |
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 |
72123 |
2494 |
- |
2436 |
= |
58 |
* |
(89 |
/ |
255)
|
= |
20.24313721 |
| 4 |
72124 |
2550 |
- |
2485 |
= |
65 |
* |
(81 |
/ |
255)
|
= |
20.64705877 |
| 5 |
72125 |
2584 |
- |
2528 |
= |
56 |
* |
(85 |
/ |
255)
|
= |
18.66666665 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sandburg Elementary
|
60 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
26
|
49
|
45
|
58
|
60
|
238.0 |
47.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 86.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 8.6
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:
