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 |
81647 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
171) |
= |
|
4 |
81649 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
171) |
= |
|
5 |
81651 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
171) |
= |
|
6 |
81652 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
171) |
= |
|
7 |
81654 |
2508 |
- |
2567 |
= |
-59 |
* |
(28 |
/ |
171) |
= |
-9.66081871 |
8 |
81657 |
2452 |
- |
2586 |
= |
-134 |
* |
(34 |
/ |
171) |
= |
-26.64327481 |
11 |
81658 |
2482 |
- |
2628 |
= |
-146 |
* |
(80 |
/ |
171) |
= |
-68.30409352 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for SBE - Olive Grove Charter
|
-105 |
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 |
81834 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
256) |
= |
|
4 |
81835 |
2412 |
- |
2485 |
= |
-73 |
* |
(14 |
/ |
256) |
= |
-3.9921875 |
5 |
81837 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
256) |
= |
|
6 |
81840 |
2450 |
- |
2552 |
= |
-102 |
* |
(16 |
/ |
256) |
= |
-6.375 |
7 |
81842 |
2461 |
- |
2567 |
= |
-106 |
* |
(37 |
/ |
256) |
= |
-15.3203125 |
8 |
81844 |
2452 |
- |
2586 |
= |
-134 |
* |
(51 |
/ |
256) |
= |
-26.6953125 |
11 |
81845 |
2479 |
- |
2628 |
= |
-149 |
* |
(124 |
/ |
256) |
= |
-72.171875 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for SBE - Olive Grove Charter
|
-125 |
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 |
82344 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
16) |
= |
|
5 |
82345 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
16) |
= |
|
7 |
82346 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
16) |
= |
|
8 |
82347 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
16) |
= |
|
11 |
82348 |
0 |
- |
2628 |
= |
|
* |
(9 |
/ |
16) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for SBE - Olive Grove Charter
|
|
Last steps
Compute the average
2017 |
2018 |
2019 |
Sum |
Average |
-105
|
-125
|
|
-230.0 |
-76.7 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -157.0
For the lines, you have the data necessary to plot the chart.