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 |
2371319 |
2412 |
- |
2436 |
= |
-24 |
* |
(44 |
/ |
140)
|
= |
-7.54285714 |
4 |
2371320 |
2439 |
- |
2485 |
= |
-46 |
* |
(49 |
/ |
140)
|
= |
-16.1 |
5 |
2371323 |
2494 |
- |
2528 |
= |
-34 |
* |
(47 |
/ |
140)
|
= |
-11.41428569 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Redding Elementary
|
-35 |
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 |
72436 |
2427 |
- |
2436 |
= |
-9 |
* |
(44 |
/ |
136)
|
= |
-2.9117647 |
4 |
72437 |
2458 |
- |
2485 |
= |
-27 |
* |
(44 |
/ |
136)
|
= |
-8.7352941 |
5 |
72439 |
2475 |
- |
2528 |
= |
-53 |
* |
(48 |
/ |
136)
|
= |
-18.70588233 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Redding Elementary
|
-30 |
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 |
74409 |
2416 |
- |
2436 |
= |
-20 |
* |
(37 |
/ |
127)
|
= |
-5.82677164 |
4 |
74412 |
2466 |
- |
2485 |
= |
-19 |
* |
(45 |
/ |
127)
|
= |
-6.73228345 |
5 |
74414 |
2487 |
- |
2528 |
= |
-41 |
* |
(45 |
/ |
127)
|
= |
-14.52755903 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Redding 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 |
74583 |
2430 |
- |
2436 |
= |
-6 |
* |
(37 |
/ |
114)
|
= |
-1.94736842 |
4 |
74586 |
2454 |
- |
2485 |
= |
-31 |
* |
(38 |
/ |
114)
|
= |
-10.33333332 |
5 |
74587 |
2498 |
- |
2528 |
= |
-30 |
* |
(39 |
/ |
114)
|
= |
-10.26315789 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Redding Elementary
|
-23 |
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 |
75109 |
2437 |
- |
2436 |
= |
1 |
* |
(31 |
/ |
101)
|
= |
0.30693069 |
4 |
75110 |
2456 |
- |
2485 |
= |
-29 |
* |
(38 |
/ |
101)
|
= |
-10.91089107 |
5 |
75111 |
2491 |
- |
2528 |
= |
-37 |
* |
(32 |
/ |
101)
|
= |
-11.72277227 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Redding Elementary
|
-22 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-35
|
-30
|
-27
|
-23
|
-22
|
-137.0 |
-27.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -42.4
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: