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 |
1441913 |
2430 |
- |
2436 |
= |
-6 |
* |
(69 |
/ |
235)
|
= |
-1.76170213 |
4 |
1441916 |
2480 |
- |
2485 |
= |
-5 |
* |
(76 |
/ |
235)
|
= |
-1.61702128 |
5 |
1441917 |
2488 |
- |
2528 |
= |
-40 |
* |
(90 |
/ |
235)
|
= |
-15.31914892 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wood Canyon Elementary
|
-19 |
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 |
45384 |
2422 |
- |
2436 |
= |
-14 |
* |
(83 |
/ |
208)
|
= |
-5.58653845 |
4 |
45386 |
2474 |
- |
2485 |
= |
-11 |
* |
(62 |
/ |
208)
|
= |
-3.27884615 |
5 |
45388 |
2526 |
- |
2528 |
= |
-2 |
* |
(63 |
/ |
208)
|
= |
-0.60576923 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wood Canyon Elementary
|
-9 |
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 |
46595 |
2432 |
- |
2436 |
= |
-4 |
* |
(56 |
/ |
216)
|
= |
-1.03703704 |
4 |
46597 |
2453 |
- |
2485 |
= |
-32 |
* |
(88 |
/ |
216)
|
= |
-13.03703702 |
5 |
46598 |
2489 |
- |
2528 |
= |
-39 |
* |
(72 |
/ |
216)
|
= |
-12.99999999 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wood Canyon 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 |
46605 |
2428 |
- |
2436 |
= |
-8 |
* |
(64 |
/ |
225)
|
= |
-2.27555555 |
4 |
46606 |
2481 |
- |
2485 |
= |
-4 |
* |
(68 |
/ |
225)
|
= |
-1.20888889 |
5 |
46609 |
2483 |
- |
2528 |
= |
-45 |
* |
(93 |
/ |
225)
|
= |
-18.59999999 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wood Canyon 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 |
46787 |
2418 |
- |
2436 |
= |
-18 |
* |
(62 |
/ |
198)
|
= |
-5.63636363 |
4 |
46788 |
2469 |
- |
2485 |
= |
-16 |
* |
(65 |
/ |
198)
|
= |
-5.25252525 |
5 |
46789 |
2512 |
- |
2528 |
= |
-16 |
* |
(71 |
/ |
198)
|
= |
-5.73737373 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wood Canyon Elementary
|
-17 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-19
|
-9
|
-27
|
-22
|
-17
|
-94.0 |
-18.8 |
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: -36.8
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: