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 |
91124 |
2336 |
- |
2436 |
= |
-100 |
* |
( |
/ |
)
|
= |
|
| 4 |
91127 |
2371 |
- |
2485 |
= |
-114 |
* |
( |
/ |
)
|
= |
|
| 5 |
91128 |
2428 |
- |
2528 |
= |
-100 |
* |
( |
/ |
)
|
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for MLK / Lafayette Elementary
|
|
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 |
2561 |
2348 |
- |
2436 |
= |
-88 |
* |
( |
/ |
)
|
= |
|
| 4 |
2564 |
2366 |
- |
2485 |
= |
-119 |
* |
( |
/ |
)
|
= |
|
| 5 |
2565 |
2379 |
- |
2528 |
= |
-149 |
* |
( |
/ |
)
|
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for MLK / Lafayette Elementary
|
|
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 |
2634 |
2294 |
- |
2436 |
= |
-142 |
* |
( |
/ |
)
|
= |
|
| 4 |
2635 |
2337 |
- |
2485 |
= |
-148 |
* |
( |
/ |
)
|
= |
|
| 5 |
2638 |
2354 |
- |
2528 |
= |
-174 |
* |
( |
/ |
)
|
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for MLK / Lafayette Elementary
|
|
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 |
2637 |
0 |
- |
2436 |
= |
|
* |
( |
/ |
)
|
= |
|
| 4 |
2639 |
2395 |
- |
2485 |
= |
-90 |
* |
( |
/ |
)
|
= |
|
| 5 |
2641 |
2403 |
- |
2528 |
= |
-125 |
* |
( |
/ |
)
|
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for MLK / Lafayette Elementary
|
|
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 |
2659 |
0 |
- |
2436 |
= |
|
* |
( |
/ |
)
|
= |
|
| 4 |
2660 |
0 |
- |
2485 |
= |
|
* |
( |
/ |
)
|
= |
|
| 5 |
2661 |
2410 |
- |
2528 |
= |
-118 |
* |
( |
/ |
)
|
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for MLK / Lafayette Elementary
|
|
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
|
|
|
|
|
0.0 |
0.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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:
