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 |
2566624 |
0 |
- |
2436 |
= |
|
* |
(3 |
/ |
88) |
= |
|
4 |
2566625 |
0 |
- |
2485 |
= |
|
* |
(3 |
/ |
88) |
= |
|
5 |
2566628 |
0 |
- |
2528 |
= |
|
* |
(4 |
/ |
88) |
= |
|
6 |
2566629 |
0 |
- |
2552 |
= |
|
* |
(1 |
/ |
88) |
= |
|
7 |
2566632 |
0 |
- |
2567 |
= |
|
* |
(6 |
/ |
88) |
= |
|
8 |
2566633 |
2385 |
- |
2586 |
= |
-201 |
* |
(32 |
/ |
88) |
= |
-73.09090896 |
11 |
2566636 |
2429 |
- |
2628 |
= |
-199 |
* |
(39 |
/ |
88) |
= |
-88.19318178 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Santa Barbara County Office of Education
|
-161 |
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 |
4 |
78175 |
0 |
- |
2485 |
= |
|
* |
(1 |
/ |
52) |
= |
|
6 |
78178 |
0 |
- |
2552 |
= |
|
* |
(1 |
/ |
52) |
= |
|
7 |
78179 |
0 |
- |
2567 |
= |
|
* |
(1 |
/ |
52) |
= |
|
8 |
78181 |
2363 |
- |
2586 |
= |
-223 |
* |
(22 |
/ |
52) |
= |
-94.34615383 |
11 |
78183 |
2428 |
- |
2628 |
= |
-200 |
* |
(27 |
/ |
52) |
= |
-103.8461538 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Santa Barbara County Office of Education
|
-198 |
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 |
80333 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
90) |
= |
|
4 |
80334 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
90) |
= |
|
5 |
80337 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
90) |
= |
|
6 |
80339 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
90) |
= |
|
7 |
80340 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
90) |
= |
|
8 |
80343 |
2365 |
- |
2586 |
= |
-221 |
* |
(35 |
/ |
90) |
= |
-85.94444425 |
11 |
80345 |
2401 |
- |
2628 |
= |
-227 |
* |
(36 |
/ |
90) |
= |
-90.8 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Santa Barbara County Office of Education
|
-177 |
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 |
80487 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
77) |
= |
|
4 |
80490 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
77) |
= |
|
5 |
80491 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
77) |
= |
|
6 |
80494 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
77) |
= |
|
7 |
80495 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
77) |
= |
|
8 |
80498 |
2354 |
- |
2586 |
= |
-232 |
* |
(32 |
/ |
77) |
= |
-96.41558428 |
11 |
80499 |
2412 |
- |
2628 |
= |
-216 |
* |
(30 |
/ |
77) |
= |
-84.15584402 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Santa Barbara County Office of Education
|
-181 |
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 |
80975 |
0 |
- |
2436 |
= |
|
* |
(5 |
/ |
55) |
= |
|
4 |
80976 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
55) |
= |
|
6 |
80977 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
55) |
= |
|
7 |
80978 |
0 |
- |
2567 |
= |
|
* |
(7 |
/ |
55) |
= |
|
8 |
80979 |
2373 |
- |
2586 |
= |
-213 |
* |
(20 |
/ |
55) |
= |
-77.45454532 |
11 |
80980 |
2417 |
- |
2628 |
= |
-211 |
* |
(20 |
/ |
55) |
= |
-76.72727259 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Santa Barbara County Office of Education
|
-154 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-161
|
-198
|
-177
|
-181
|
-154
|
-871.0 |
-174.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -123.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -225.2
For the lines, you have the data necessary to plot the chart.