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 |
3189413 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
158) |
= |
|
5 |
3189416 |
0 |
- |
2528 |
= |
|
* |
(2 |
/ |
158) |
= |
|
6 |
3189417 |
0 |
- |
2552 |
= |
|
* |
(9 |
/ |
158) |
= |
|
7 |
3189420 |
2407 |
- |
2567 |
= |
-160 |
* |
(18 |
/ |
158) |
= |
-18.227848 |
8 |
3189421 |
2382 |
- |
2586 |
= |
-204 |
* |
(29 |
/ |
158) |
= |
-37.44303781 |
11 |
3189424 |
2437 |
- |
2628 |
= |
-191 |
* |
(100 |
/ |
158) |
= |
-120.88607587 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Yuba County Office of Education
|
-177 |
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 |
5 |
98287 |
0 |
- |
2528 |
= |
|
* |
(1 |
/ |
93) |
= |
|
6 |
98289 |
0 |
- |
2552 |
= |
|
* |
(2 |
/ |
93) |
= |
|
7 |
98290 |
2449 |
- |
2567 |
= |
-118 |
* |
(17 |
/ |
93) |
= |
-21.56989236 |
8 |
98293 |
2407 |
- |
2586 |
= |
-179 |
* |
(21 |
/ |
93) |
= |
-40.41935473 |
11 |
98295 |
2468 |
- |
2628 |
= |
-160 |
* |
(52 |
/ |
93) |
= |
-89.46236544 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Yuba County Office of Education
|
-151 |
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 |
4 |
101152 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
128) |
= |
|
5 |
101154 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
128) |
= |
|
6 |
101156 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
128) |
= |
|
7 |
101158 |
2402 |
- |
2567 |
= |
-165 |
* |
(11 |
/ |
128) |
= |
-14.1796875 |
8 |
101159 |
2453 |
- |
2586 |
= |
-133 |
* |
(21 |
/ |
128) |
= |
-21.8203125 |
11 |
101161 |
2437 |
- |
2628 |
= |
-191 |
* |
(90 |
/ |
128) |
= |
-134.296875 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Yuba County Office of Education
|
-170 |
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 |
101304 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
116) |
= |
|
4 |
101307 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
116) |
= |
|
5 |
101308 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
116) |
= |
|
6 |
101311 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
116) |
= |
|
7 |
101312 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
116) |
= |
|
8 |
101315 |
2398 |
- |
2586 |
= |
-188 |
* |
(22 |
/ |
116) |
= |
-35.65517234 |
11 |
101316 |
2418 |
- |
2628 |
= |
-210 |
* |
(78 |
/ |
116) |
= |
-141.20689653 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Yuba County Office of Education
|
-177 |
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 |
101967 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
116) |
= |
|
4 |
101968 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
116) |
= |
|
5 |
101969 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
116) |
= |
|
6 |
101970 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
116) |
= |
|
7 |
101971 |
0 |
- |
2567 |
= |
|
* |
(7 |
/ |
116) |
= |
|
8 |
101972 |
2409 |
- |
2586 |
= |
-177 |
* |
(16 |
/ |
116) |
= |
-24.41379302 |
11 |
101973 |
2429 |
- |
2628 |
= |
-199 |
* |
(86 |
/ |
116) |
= |
-147.53448269 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Yuba County Office of Education
|
-172 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-177
|
-151
|
-170
|
-177
|
-172
|
-847.0 |
-169.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -139.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -199.4
For the lines, you have the data necessary to plot the chart.