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 |
927224 |
2376 |
- |
2436 |
= |
-60 |
* |
(138 |
/ |
394)
|
= |
-21.01522842 |
| 4 |
927225 |
2398 |
- |
2485 |
= |
-87 |
* |
(123 |
/ |
394)
|
= |
-27.15989847 |
| 5 |
927228 |
2446 |
- |
2528 |
= |
-82 |
* |
(133 |
/ |
394)
|
= |
-27.68020298 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Main Street Elementary
|
-76 |
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 |
29312 |
2380 |
- |
2436 |
= |
-56 |
* |
(146 |
/ |
404)
|
= |
-20.23762373 |
| 4 |
29314 |
2394 |
- |
2485 |
= |
-91 |
* |
(132 |
/ |
404)
|
= |
-29.73267324 |
| 5 |
29316 |
2420 |
- |
2528 |
= |
-108 |
* |
(126 |
/ |
404)
|
= |
-33.6831683 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Main Street Elementary
|
-84 |
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 |
29877 |
2420 |
- |
2436 |
= |
-16 |
* |
(138 |
/ |
403)
|
= |
-5.47890818 |
| 4 |
29880 |
2401 |
- |
2485 |
= |
-84 |
* |
(136 |
/ |
403)
|
= |
-28.34739449 |
| 5 |
29881 |
2446 |
- |
2528 |
= |
-82 |
* |
(129 |
/ |
403)
|
= |
-26.24813891 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Main Street Elementary
|
-60 |
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 |
29926 |
2401 |
- |
2436 |
= |
-35 |
* |
(140 |
/ |
404)
|
= |
-12.12871286 |
| 4 |
29928 |
2436 |
- |
2485 |
= |
-49 |
* |
(126 |
/ |
404)
|
= |
-15.28217821 |
| 5 |
29930 |
2435 |
- |
2528 |
= |
-93 |
* |
(138 |
/ |
404)
|
= |
-31.76732669 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Main Street Elementary
|
-59 |
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 |
30100 |
2394 |
- |
2436 |
= |
-42 |
* |
(118 |
/ |
374)
|
= |
-13.25133688 |
| 4 |
30101 |
2427 |
- |
2485 |
= |
-58 |
* |
(130 |
/ |
374)
|
= |
-20.16042776 |
| 5 |
30102 |
2444 |
- |
2528 |
= |
-84 |
* |
(126 |
/ |
374)
|
= |
-28.29946518 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Main Street Elementary
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-76
|
-84
|
-60
|
-59
|
-62
|
-341.0 |
-68.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.2
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:
