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 |
2274501 |
2523 |
- |
2436 |
= |
87 |
* |
(91 |
/ |
283)
|
= |
27.97526499 |
| 4 |
2274502 |
2511 |
- |
2485 |
= |
26 |
* |
(100 |
/ |
283)
|
= |
9.18727914 |
| 5 |
2274505 |
2580 |
- |
2528 |
= |
52 |
* |
(92 |
/ |
283)
|
= |
16.90459363 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Jerabek Elementary
|
54 |
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 |
69739 |
2517 |
- |
2436 |
= |
81 |
* |
(103 |
/ |
298)
|
= |
27.99664422 |
| 4 |
69742 |
2569 |
- |
2485 |
= |
84 |
* |
(95 |
/ |
298)
|
= |
26.77852346 |
| 5 |
69743 |
2576 |
- |
2528 |
= |
48 |
* |
(100 |
/ |
298)
|
= |
16.10738251 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Jerabek Elementary
|
71 |
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 |
71572 |
2534 |
- |
2436 |
= |
98 |
* |
(105 |
/ |
301)
|
= |
34.18604648 |
| 4 |
71574 |
2566 |
- |
2485 |
= |
81 |
* |
(110 |
/ |
301)
|
= |
29.60132882 |
| 5 |
71577 |
2597 |
- |
2528 |
= |
69 |
* |
(86 |
/ |
301)
|
= |
19.71428567 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Jerabek Elementary
|
84 |
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 |
71717 |
2541 |
- |
2436 |
= |
105 |
* |
(114 |
/ |
321)
|
= |
37.28971953 |
| 4 |
71719 |
2569 |
- |
2485 |
= |
84 |
* |
(100 |
/ |
321)
|
= |
26.16822424 |
| 5 |
71721 |
2593 |
- |
2528 |
= |
65 |
* |
(107 |
/ |
321)
|
= |
21.66666665 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Jerabek Elementary
|
85 |
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 |
72203 |
2540 |
- |
2436 |
= |
104 |
* |
(100 |
/ |
327)
|
= |
31.80428129 |
| 4 |
72204 |
2573 |
- |
2485 |
= |
88 |
* |
(118 |
/ |
327)
|
= |
31.75535167 |
| 5 |
72205 |
2604 |
- |
2528 |
= |
76 |
* |
(109 |
/ |
327)
|
= |
25.33333331 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Jerabek Elementary
|
89 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
54
|
71
|
84
|
85
|
89
|
383.0 |
76.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 118.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 34.6
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:
