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 |
2263546 |
2396 |
- |
2436 |
= |
-40 |
* |
(72 |
/ |
210)
|
= |
-13.71428568 |
| 4 |
2263547 |
2457 |
- |
2485 |
= |
-28 |
* |
(73 |
/ |
210)
|
= |
-9.73333332 |
| 5 |
2263550 |
2482 |
- |
2528 |
= |
-46 |
* |
(65 |
/ |
210)
|
= |
-14.23809521 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Valencia Park Elementary
|
-38 |
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 |
69453 |
2413 |
- |
2436 |
= |
-23 |
* |
(74 |
/ |
221)
|
= |
-7.70135744 |
| 4 |
69455 |
2468 |
- |
2485 |
= |
-17 |
* |
(70 |
/ |
221)
|
= |
-5.38461538 |
| 5 |
69457 |
2476 |
- |
2528 |
= |
-52 |
* |
(77 |
/ |
221)
|
= |
-18.11764703 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Valencia Park Elementary
|
-31 |
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 |
71286 |
2424 |
- |
2436 |
= |
-12 |
* |
(80 |
/ |
219)
|
= |
-4.38356164 |
| 4 |
71289 |
2458 |
- |
2485 |
= |
-27 |
* |
(71 |
/ |
219)
|
= |
-8.75342465 |
| 5 |
71290 |
2484 |
- |
2528 |
= |
-44 |
* |
(68 |
/ |
219)
|
= |
-13.66210045 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Valencia Park Elementary
|
-27 |
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 |
71432 |
2416 |
- |
2436 |
= |
-20 |
* |
(83 |
/ |
226)
|
= |
-7.34513274 |
| 4 |
71434 |
2462 |
- |
2485 |
= |
-23 |
* |
(76 |
/ |
226)
|
= |
-7.73451326 |
| 5 |
71436 |
2503 |
- |
2528 |
= |
-25 |
* |
(67 |
/ |
226)
|
= |
-7.4115044 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Valencia Park Elementary
|
-22 |
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 |
71919 |
2415 |
- |
2436 |
= |
-21 |
* |
(73 |
/ |
225)
|
= |
-6.81333332 |
| 4 |
71920 |
2463 |
- |
2485 |
= |
-22 |
* |
(80 |
/ |
225)
|
= |
-7.82222221 |
| 5 |
71921 |
2530 |
- |
2528 |
= |
2 |
* |
(72 |
/ |
225)
|
= |
0.64 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Valencia Park Elementary
|
-14 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-38
|
-31
|
-27
|
-22
|
-14
|
-132.0 |
-26.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -53.4
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:
