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 |
910083 |
2386 |
- |
2436 |
= |
-50 |
* |
(83 |
/ |
229)
|
= |
-18.1222707 |
| 4 |
910086 |
2433 |
- |
2485 |
= |
-52 |
* |
(70 |
/ |
229)
|
= |
-15.89519646 |
| 5 |
910087 |
2460 |
- |
2528 |
= |
-68 |
* |
(76 |
/ |
229)
|
= |
-22.56768557 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Granada Elementary
|
-57 |
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 |
28766 |
2394 |
- |
2436 |
= |
-42 |
* |
(53 |
/ |
204)
|
= |
-10.91176468 |
| 4 |
28769 |
2451 |
- |
2485 |
= |
-34 |
* |
(82 |
/ |
204)
|
= |
-13.66666666 |
| 5 |
28770 |
2457 |
- |
2528 |
= |
-71 |
* |
(69 |
/ |
204)
|
= |
-24.01470587 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Granada Elementary
|
-49 |
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 |
29331 |
2400 |
- |
2436 |
= |
-36 |
* |
(62 |
/ |
202)
|
= |
-11.04950495 |
| 4 |
29333 |
2438 |
- |
2485 |
= |
-47 |
* |
(57 |
/ |
202)
|
= |
-13.2623762 |
| 5 |
29336 |
2470 |
- |
2528 |
= |
-58 |
* |
(83 |
/ |
202)
|
= |
-23.83168316 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Granada Elementary
|
-48 |
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 |
29380 |
2418 |
- |
2436 |
= |
-18 |
* |
(73 |
/ |
197)
|
= |
-6.67005075 |
| 4 |
29382 |
2472 |
- |
2485 |
= |
-13 |
* |
(62 |
/ |
197)
|
= |
-4.09137056 |
| 5 |
29384 |
2477 |
- |
2528 |
= |
-51 |
* |
(62 |
/ |
197)
|
= |
-16.05076141 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Granada Elementary
|
-27 |
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 |
29556 |
2419 |
- |
2436 |
= |
-17 |
* |
(69 |
/ |
198)
|
= |
-5.92424242 |
| 4 |
29557 |
2470 |
- |
2485 |
= |
-15 |
* |
(68 |
/ |
198)
|
= |
-5.15151515 |
| 5 |
29558 |
2482 |
- |
2528 |
= |
-46 |
* |
(61 |
/ |
198)
|
= |
-14.17171717 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Granada Elementary
|
-25 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-57
|
-49
|
-48
|
-27
|
-25
|
-206.0 |
-41.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.2
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:
