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 |
1001952 |
2391 |
- |
2436 |
= |
-45 |
* |
(73 |
/ |
212)
|
= |
-15.49528299 |
| 4 |
1001955 |
2417 |
- |
2485 |
= |
-68 |
* |
(67 |
/ |
212)
|
= |
-21.49056598 |
| 5 |
1001956 |
2450 |
- |
2528 |
= |
-78 |
* |
(72 |
/ |
212)
|
= |
-26.490566 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Saturn Street Elementary
|
-63 |
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 |
31612 |
2406 |
- |
2436 |
= |
-30 |
* |
(59 |
/ |
191)
|
= |
-9.26701569 |
| 4 |
31615 |
2431 |
- |
2485 |
= |
-54 |
* |
(69 |
/ |
191)
|
= |
-19.50785338 |
| 5 |
31616 |
2441 |
- |
2528 |
= |
-87 |
* |
(63 |
/ |
191)
|
= |
-28.696335 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Saturn Street Elementary
|
-57 |
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 |
32166 |
2389 |
- |
2436 |
= |
-47 |
* |
(57 |
/ |
177)
|
= |
-15.13559321 |
| 4 |
32167 |
2417 |
- |
2485 |
= |
-68 |
* |
(61 |
/ |
177)
|
= |
-23.43502822 |
| 5 |
32169 |
2419 |
- |
2528 |
= |
-109 |
* |
(59 |
/ |
177)
|
= |
-36.3333333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Saturn Street Elementary
|
-75 |
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 |
32193 |
2418 |
- |
2436 |
= |
-18 |
* |
(49 |
/ |
168)
|
= |
-5.24999999 |
| 4 |
32195 |
2421 |
- |
2485 |
= |
-64 |
* |
(62 |
/ |
168)
|
= |
-23.61904762 |
| 5 |
32197 |
2432 |
- |
2528 |
= |
-96 |
* |
(57 |
/ |
168)
|
= |
-32.57142854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Saturn Street Elementary
|
-61 |
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 |
32374 |
2386 |
- |
2436 |
= |
-50 |
* |
(48 |
/ |
158)
|
= |
-15.1898734 |
| 4 |
32375 |
2427 |
- |
2485 |
= |
-58 |
* |
(50 |
/ |
158)
|
= |
-18.35443037 |
| 5 |
32376 |
2439 |
- |
2528 |
= |
-89 |
* |
(60 |
/ |
158)
|
= |
-33.79746832 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Saturn Street Elementary
|
-67 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-63
|
-57
|
-75
|
-61
|
-67
|
-323.0 |
-64.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -46.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.6
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:
