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 |
947044 |
2383 |
- |
2436 |
= |
-53 |
* |
(100 |
/ |
366)
|
= |
-14.48087428 |
4 |
947047 |
2408 |
- |
2485 |
= |
-77 |
* |
(94 |
/ |
366)
|
= |
-19.77595628 |
5 |
947048 |
2438 |
- |
2528 |
= |
-90 |
* |
(97 |
/ |
366)
|
= |
-23.85245898 |
6 |
947051 |
2441 |
- |
2552 |
= |
-111 |
* |
(75 |
/ |
366)
|
= |
-22.74590155 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ramona Elementary
|
-81 |
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 |
29957 |
2396 |
- |
2436 |
= |
-40 |
* |
(97 |
/ |
363)
|
= |
-10.6887052 |
4 |
29958 |
2425 |
- |
2485 |
= |
-60 |
* |
(104 |
/ |
363)
|
= |
-17.19008262 |
5 |
29961 |
2421 |
- |
2528 |
= |
-107 |
* |
(90 |
/ |
363)
|
= |
-26.52892559 |
6 |
29963 |
2451 |
- |
2552 |
= |
-101 |
* |
(72 |
/ |
363)
|
= |
-20.03305781 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ramona Elementary
|
-74 |
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 |
30521 |
2405 |
- |
2436 |
= |
-31 |
* |
(83 |
/ |
341)
|
= |
-7.54545453 |
4 |
30524 |
2402 |
- |
2485 |
= |
-83 |
* |
(96 |
/ |
341)
|
= |
-23.36656886 |
5 |
30526 |
2447 |
- |
2528 |
= |
-81 |
* |
(103 |
/ |
341)
|
= |
-24.46627559 |
6 |
30527 |
2430 |
- |
2552 |
= |
-122 |
* |
(59 |
/ |
341)
|
= |
-21.10850429 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ramona Elementary
|
-76 |
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 |
30572 |
2420 |
- |
2436 |
= |
-16 |
* |
(67 |
/ |
293)
|
= |
-3.65870306 |
4 |
30574 |
2416 |
- |
2485 |
= |
-69 |
* |
(73 |
/ |
293)
|
= |
-17.19112623 |
5 |
30576 |
2418 |
- |
2528 |
= |
-110 |
* |
(93 |
/ |
293)
|
= |
-34.91467573 |
6 |
30578 |
2453 |
- |
2552 |
= |
-99 |
* |
(60 |
/ |
293)
|
= |
-20.27303744 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ramona Elementary
|
-76 |
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 |
30749 |
2406 |
- |
2436 |
= |
-30 |
* |
(63 |
/ |
269)
|
= |
-7.02602229 |
4 |
30750 |
2430 |
- |
2485 |
= |
-55 |
* |
(72 |
/ |
269)
|
= |
-14.72118956 |
5 |
30751 |
2435 |
- |
2528 |
= |
-93 |
* |
(75 |
/ |
269)
|
= |
-25.92936794 |
6 |
30752 |
2418 |
- |
2552 |
= |
-134 |
* |
(59 |
/ |
269)
|
= |
-29.39033457 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ramona Elementary
|
-77 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-81
|
-74
|
-76
|
-76
|
-77
|
-384.0 |
-76.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -70.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.8
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: