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 |
937144 |
2408 |
- |
2436 |
= |
-28 |
* |
(133 |
/ |
411)
|
= |
-9.06082724 |
| 4 |
937145 |
2443 |
- |
2485 |
= |
-42 |
* |
(147 |
/ |
411)
|
= |
-15.02189779 |
| 5 |
937148 |
2480 |
- |
2528 |
= |
-48 |
* |
(131 |
/ |
411)
|
= |
-15.29927006 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Noble Avenue Elementary
|
-39 |
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 |
29642 |
2410 |
- |
2436 |
= |
-26 |
* |
(147 |
/ |
427)
|
= |
-8.95081967 |
| 4 |
29645 |
2453 |
- |
2485 |
= |
-32 |
* |
(137 |
/ |
427)
|
= |
-10.26697891 |
| 5 |
29646 |
2495 |
- |
2528 |
= |
-33 |
* |
(143 |
/ |
427)
|
= |
-11.05152223 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Noble Avenue Elementary
|
-30 |
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 |
30208 |
2416 |
- |
2436 |
= |
-20 |
* |
(147 |
/ |
433)
|
= |
-6.78983832 |
| 4 |
30209 |
2430 |
- |
2485 |
= |
-55 |
* |
(146 |
/ |
433)
|
= |
-18.54503464 |
| 5 |
30212 |
2512 |
- |
2528 |
= |
-16 |
* |
(140 |
/ |
433)
|
= |
-5.17321016 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Noble Avenue Elementary
|
-31 |
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 |
30257 |
2407 |
- |
2436 |
= |
-29 |
* |
(137 |
/ |
433)
|
= |
-9.17551961 |
| 4 |
30259 |
2437 |
- |
2485 |
= |
-48 |
* |
(153 |
/ |
433)
|
= |
-16.96073899 |
| 5 |
30261 |
2495 |
- |
2528 |
= |
-33 |
* |
(143 |
/ |
433)
|
= |
-10.89838335 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Noble Avenue Elementary
|
-37 |
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 |
30430 |
2395 |
- |
2436 |
= |
-41 |
* |
(124 |
/ |
398)
|
= |
-12.77386931 |
| 4 |
30431 |
2427 |
- |
2485 |
= |
-58 |
* |
(129 |
/ |
398)
|
= |
-18.79899497 |
| 5 |
30432 |
2497 |
- |
2528 |
= |
-31 |
* |
(145 |
/ |
398)
|
= |
-11.29396985 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Noble Avenue Elementary
|
-43 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-39
|
-30
|
-31
|
-37
|
-43
|
-180.0 |
-36.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.0
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:
