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 |
920391 |
2488 |
- |
2436 |
= |
52 |
* |
(95 |
/ |
262)
|
= |
18.85496179 |
| 4 |
920392 |
2504 |
- |
2485 |
= |
19 |
* |
(80 |
/ |
262)
|
= |
5.80152671 |
| 5 |
920395 |
2528 |
- |
2528 |
= |
0 |
* |
(87 |
/ |
262)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Lanai Road Elementary
|
25 |
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 |
29097 |
2476 |
- |
2436 |
= |
40 |
* |
(96 |
/ |
255)
|
= |
15.05882352 |
| 4 |
29098 |
2529 |
- |
2485 |
= |
44 |
* |
(85 |
/ |
255)
|
= |
14.66666665 |
| 5 |
29101 |
2536 |
- |
2528 |
= |
8 |
* |
(74 |
/ |
255)
|
= |
2.32156862 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Lanai Road 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 |
29662 |
2485 |
- |
2436 |
= |
49 |
* |
(80 |
/ |
252)
|
= |
15.55555553 |
| 4 |
29664 |
2523 |
- |
2485 |
= |
38 |
* |
(90 |
/ |
252)
|
= |
13.57142857 |
| 5 |
29665 |
2573 |
- |
2528 |
= |
45 |
* |
(82 |
/ |
252)
|
= |
14.64285713 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Lanai Road Elementary
|
44 |
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 |
29710 |
2489 |
- |
2436 |
= |
53 |
* |
(107 |
/ |
281)
|
= |
20.18149465 |
| 4 |
29712 |
2520 |
- |
2485 |
= |
35 |
* |
(81 |
/ |
281)
|
= |
10.08896795 |
| 5 |
29714 |
2576 |
- |
2528 |
= |
48 |
* |
(93 |
/ |
281)
|
= |
15.88612099 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Lanai Road Elementary
|
46 |
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 |
29886 |
2493 |
- |
2436 |
= |
57 |
* |
(92 |
/ |
266)
|
= |
19.71428568 |
| 4 |
29887 |
2526 |
- |
2485 |
= |
41 |
* |
(98 |
/ |
266)
|
= |
15.10526313 |
| 5 |
29888 |
2572 |
- |
2528 |
= |
44 |
* |
(76 |
/ |
266)
|
= |
12.57142854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Lanai Road Elementary
|
47 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
25
|
32
|
44
|
46
|
47
|
194.0 |
38.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 65.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 11.8
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:
