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 |
908599 |
2417 |
- |
2436 |
= |
-19 |
* |
(95 |
/ |
290)
|
= |
-6.22413791 |
| 4 |
908602 |
2465 |
- |
2485 |
= |
-20 |
* |
(98 |
/ |
290)
|
= |
-6.75862068 |
| 5 |
908603 |
2509 |
- |
2528 |
= |
-19 |
* |
(97 |
/ |
290)
|
= |
-6.3551724 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Gledhill Street Elementary
|
-19 |
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 |
28717 |
2405 |
- |
2436 |
= |
-31 |
* |
(92 |
/ |
294)
|
= |
-9.70068027 |
| 4 |
28719 |
2433 |
- |
2485 |
= |
-52 |
* |
(98 |
/ |
294)
|
= |
-17.33333332 |
| 5 |
28720 |
2481 |
- |
2528 |
= |
-47 |
* |
(104 |
/ |
294)
|
= |
-16.62585031 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Gledhill Street Elementary
|
-44 |
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 |
29282 |
2418 |
- |
2436 |
= |
-18 |
* |
(84 |
/ |
284)
|
= |
-5.32394365 |
| 4 |
29283 |
2443 |
- |
2485 |
= |
-42 |
* |
(102 |
/ |
284)
|
= |
-15.08450702 |
| 5 |
29286 |
2463 |
- |
2528 |
= |
-65 |
* |
(98 |
/ |
284)
|
= |
-22.42957743 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Gledhill Street Elementary
|
-43 |
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 |
29331 |
2430 |
- |
2436 |
= |
-6 |
* |
(79 |
/ |
270)
|
= |
-1.75555555 |
| 4 |
29333 |
2447 |
- |
2485 |
= |
-38 |
* |
(88 |
/ |
270)
|
= |
-12.38518515 |
| 5 |
29335 |
2474 |
- |
2528 |
= |
-54 |
* |
(103 |
/ |
270)
|
= |
-20.59999997 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Gledhill Street Elementary
|
-35 |
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 |
29506 |
2407 |
- |
2436 |
= |
-29 |
* |
(71 |
/ |
246)
|
= |
-8.36991869 |
| 4 |
29507 |
2448 |
- |
2485 |
= |
-37 |
* |
(85 |
/ |
246)
|
= |
-12.78455284 |
| 5 |
29508 |
2463 |
- |
2528 |
= |
-65 |
* |
(90 |
/ |
246)
|
= |
-23.78048777 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Gledhill Street Elementary
|
-45 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-19
|
-44
|
-43
|
-35
|
-45
|
-186.0 |
-37.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -7.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.2
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:
