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 |
1005664 |
2391 |
- |
2436 |
= |
-45 |
* |
(124 |
/ |
454)
|
= |
-12.29074889 |
| 4 |
1005667 |
2409 |
- |
2485 |
= |
-76 |
* |
(117 |
/ |
454)
|
= |
-19.58590308 |
| 5 |
1005668 |
2437 |
- |
2528 |
= |
-91 |
* |
(133 |
/ |
454)
|
= |
-26.65859023 |
| 6 |
1005671 |
2448 |
- |
2552 |
= |
-104 |
* |
(80 |
/ |
454)
|
= |
-18.32599111 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Montara Avenue Elementary
|
-77 |
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 |
31729 |
2423 |
- |
2436 |
= |
-13 |
* |
(114 |
/ |
430)
|
= |
-3.44651163 |
| 4 |
31730 |
2426 |
- |
2485 |
= |
-59 |
* |
(125 |
/ |
430)
|
= |
-17.15116277 |
| 5 |
31732 |
2427 |
- |
2528 |
= |
-101 |
* |
(116 |
/ |
430)
|
= |
-27.24651154 |
| 6 |
31735 |
2473 |
- |
2552 |
= |
-79 |
* |
(75 |
/ |
430)
|
= |
-13.77906972 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Montara Avenue Elementary
|
-62 |
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 |
32281 |
2436 |
- |
2436 |
= |
0 |
* |
(116 |
/ |
433)
|
= |
0.0 |
| 4 |
32283 |
2427 |
- |
2485 |
= |
-58 |
* |
(120 |
/ |
433)
|
= |
-16.07390296 |
| 5 |
32286 |
2434 |
- |
2528 |
= |
-94 |
* |
(122 |
/ |
433)
|
= |
-26.48498842 |
| 6 |
32287 |
2463 |
- |
2552 |
= |
-89 |
* |
(75 |
/ |
433)
|
= |
-15.41570433 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Montara Avenue Elementary
|
-58 |
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 |
32308 |
2431 |
- |
2436 |
= |
-5 |
* |
(125 |
/ |
437)
|
= |
-1.43020595 |
| 4 |
32310 |
2445 |
- |
2485 |
= |
-40 |
* |
(129 |
/ |
437)
|
= |
-11.80778032 |
| 5 |
32312 |
2462 |
- |
2528 |
= |
-66 |
* |
(114 |
/ |
437)
|
= |
-17.21739129 |
| 6 |
32314 |
2489 |
- |
2552 |
= |
-63 |
* |
(69 |
/ |
437)
|
= |
-9.94736837 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Montara Avenue Elementary
|
-40 |
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 |
32491 |
2434 |
- |
2436 |
= |
-2 |
* |
(109 |
/ |
410)
|
= |
-0.53170732 |
| 4 |
32492 |
2461 |
- |
2485 |
= |
-24 |
* |
(115 |
/ |
410)
|
= |
-6.7317073 |
| 5 |
32493 |
2468 |
- |
2528 |
= |
-60 |
* |
(130 |
/ |
410)
|
= |
-19.0243902 |
| 6 |
32494 |
2507 |
- |
2552 |
= |
-45 |
* |
(56 |
/ |
410)
|
= |
-6.14634143 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Montara Avenue Elementary
|
-32 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-77
|
-62
|
-58
|
-40
|
-32
|
-269.0 |
-53.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.8
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:
