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 |
1273607 |
0 |
- |
2436 |
= |
|
* |
(2 |
/ |
39) |
= |
|
4 |
1273610 |
0 |
- |
2485 |
= |
|
* |
(4 |
/ |
39) |
= |
|
5 |
1273611 |
0 |
- |
2528 |
= |
|
* |
(6 |
/ |
39) |
= |
|
6 |
1273613 |
0 |
- |
2552 |
= |
|
* |
(1 |
/ |
39) |
= |
|
7 |
1273614 |
0 |
- |
2567 |
= |
|
* |
(5 |
/ |
39) |
= |
|
8 |
1273617 |
2384 |
- |
2586 |
= |
-202 |
* |
(11 |
/ |
39) |
= |
-56.97435896 |
11 |
1273618 |
0 |
- |
2628 |
= |
|
* |
(10 |
/ |
39) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mendocino County Office of Education
|
-57 |
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 |
39756 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
16) |
= |
|
6 |
39758 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
16) |
= |
|
7 |
39760 |
0 |
- |
2567 |
= |
|
* |
(3 |
/ |
16) |
= |
|
8 |
39763 |
0 |
- |
2586 |
= |
|
* |
(5 |
/ |
16) |
= |
|
11 |
39764 |
2453 |
- |
2628 |
= |
-175 |
* |
(8 |
/ |
16) |
= |
-87.5 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mendocino County Office of Education
|
-88 |
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 |
40779 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
33) |
= |
|
4 |
40781 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
33) |
= |
|
5 |
40784 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
33) |
= |
|
7 |
40785 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
33) |
= |
|
8 |
40788 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
33) |
= |
|
11 |
40789 |
2410 |
- |
2628 |
= |
-218 |
* |
(17 |
/ |
33) |
= |
-112.30303027 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mendocino County Office of Education
|
-112 |
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 |
40800 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
23) |
= |
|
4 |
40803 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
23) |
= |
|
5 |
40804 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
23) |
= |
|
7 |
40807 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
23) |
= |
|
8 |
40808 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
23) |
= |
|
11 |
40811 |
2389 |
- |
2628 |
= |
-239 |
* |
(14 |
/ |
23) |
= |
-145.47826083 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mendocino County Office of Education
|
-145 |
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 |
40952 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
23) |
= |
|
4 |
40953 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
23) |
= |
|
5 |
40954 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
23) |
= |
|
6 |
40955 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
23) |
= |
|
7 |
40956 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
23) |
= |
|
8 |
40957 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
23) |
= |
|
11 |
40958 |
2434 |
- |
2628 |
= |
-194 |
* |
(15 |
/ |
23) |
= |
-126.52173912 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mendocino County Office of Education
|
-127 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-88
|
-112
|
-145
|
-127
|
-529.0 |
-105.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -3.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -207.8
For the lines, you have the data necessary to plot the chart.