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 |
967607 |
2376 |
- |
2436 |
= |
-60 |
* |
(100 |
/ |
192)
|
= |
-31.24999998 |
| 4 |
967608 |
2411 |
- |
2485 |
= |
-74 |
* |
(92 |
/ |
192)
|
= |
-35.45833328 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Twenty-Fourth Street Elementary
|
-67 |
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 |
30617 |
2400 |
- |
2436 |
= |
-36 |
* |
(129 |
/ |
234)
|
= |
-19.84615384 |
| 4 |
30619 |
2411 |
- |
2485 |
= |
-74 |
* |
(105 |
/ |
234)
|
= |
-33.20512815 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Twenty-Fourth Street Elementary
|
-53 |
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 |
31181 |
2398 |
- |
2436 |
= |
-38 |
* |
(116 |
/ |
241)
|
= |
-18.2904564 |
| 4 |
31184 |
2435 |
- |
2485 |
= |
-50 |
* |
(125 |
/ |
241)
|
= |
-25.93360995 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Twenty-Fourth Street 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 |
31228 |
2403 |
- |
2436 |
= |
-33 |
* |
(99 |
/ |
210)
|
= |
-15.55714284 |
| 4 |
31231 |
2430 |
- |
2485 |
= |
-55 |
* |
(111 |
/ |
210)
|
= |
-29.07142854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Twenty-Fourth Street Elementary
|
-45 |
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 |
31403 |
2377 |
- |
2436 |
= |
-59 |
* |
(123 |
/ |
211)
|
= |
-34.39336489 |
| 4 |
31404 |
2433 |
- |
2485 |
= |
-52 |
* |
(88 |
/ |
211)
|
= |
-21.68720377 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Twenty-Fourth Street Elementary
|
-56 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-67
|
-53
|
-44
|
-45
|
-56
|
-265.0 |
-53.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.0
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:
