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 |
586983 |
0 |
- |
2436 |
= |
|
* |
(8 |
/ |
97) |
= |
|
4 |
586986 |
2357 |
- |
2485 |
= |
-128 |
* |
(13 |
/ |
97) |
= |
-17.1546391 |
5 |
586987 |
2368 |
- |
2528 |
= |
-160 |
* |
(12 |
/ |
97) |
= |
-19.7938144 |
6 |
586990 |
0 |
- |
2552 |
= |
|
* |
(8 |
/ |
97) |
= |
|
7 |
586991 |
2470 |
- |
2567 |
= |
-97 |
* |
(12 |
/ |
97) |
= |
-11.99999998 |
8 |
586994 |
2466 |
- |
2586 |
= |
-120 |
* |
(23 |
/ |
97) |
= |
-28.45360824 |
11 |
586995 |
2464 |
- |
2628 |
= |
-164 |
* |
(21 |
/ |
97) |
= |
-35.50515458 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Big Valley Joint Unified
|
-113 |
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 |
18740 |
2385 |
- |
2436 |
= |
-51 |
* |
(13 |
/ |
72) |
= |
-9.20833331 |
4 |
18742 |
0 |
- |
2485 |
= |
|
* |
(7 |
/ |
72) |
= |
|
5 |
18745 |
2403 |
- |
2528 |
= |
-125 |
* |
(11 |
/ |
72) |
= |
-19.09722213 |
6 |
18746 |
2422 |
- |
2552 |
= |
-130 |
* |
(11 |
/ |
72) |
= |
-19.86111101 |
7 |
18749 |
0 |
- |
2567 |
= |
|
* |
(7 |
/ |
72) |
= |
|
8 |
18750 |
2471 |
- |
2586 |
= |
-115 |
* |
(11 |
/ |
72) |
= |
-17.56944436 |
11 |
18753 |
2553 |
- |
2628 |
= |
-75 |
* |
(12 |
/ |
72) |
= |
-12.49999995 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Big Valley Joint Unified
|
-78 |
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 |
19063 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
67) |
= |
|
4 |
19066 |
2407 |
- |
2485 |
= |
-78 |
* |
(12 |
/ |
67) |
= |
-13.97014921 |
5 |
19067 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
67) |
= |
|
6 |
19070 |
2459 |
- |
2552 |
= |
-93 |
* |
(11 |
/ |
67) |
= |
-15.26865667 |
7 |
19071 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
67) |
= |
|
8 |
19074 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
67) |
= |
|
11 |
19075 |
2540 |
- |
2628 |
= |
-88 |
* |
(13 |
/ |
67) |
= |
-17.0746268 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Big Valley Joint Unified
|
-46 |
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 |
19066 |
0 |
- |
2436 |
= |
|
* |
(0 |
/ |
68) |
= |
|
4 |
19067 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
68) |
= |
|
5 |
19070 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
68) |
= |
|
6 |
19071 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
68) |
= |
|
7 |
19073 |
2445 |
- |
2567 |
= |
-122 |
* |
(11 |
/ |
68) |
= |
-19.73529401 |
8 |
19076 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
68) |
= |
|
11 |
19077 |
2492 |
- |
2628 |
= |
-136 |
* |
(20 |
/ |
68) |
= |
-39.99999999 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Big Valley Joint Unified
|
-60 |
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 |
19218 |
2403 |
- |
2436 |
= |
-33 |
* |
(11 |
/ |
65) |
= |
-5.58461538 |
4 |
19219 |
2463 |
- |
2485 |
= |
-22 |
* |
(11 |
/ |
65) |
= |
-3.72307692 |
5 |
19220 |
0 |
- |
2528 |
= |
|
* |
(4 |
/ |
65) |
= |
|
6 |
19221 |
2508 |
- |
2552 |
= |
-44 |
* |
(11 |
/ |
65) |
= |
-7.44615384 |
7 |
19222 |
0 |
- |
2567 |
= |
|
* |
(4 |
/ |
65) |
= |
|
8 |
19223 |
0 |
- |
2586 |
= |
|
* |
(10 |
/ |
65) |
= |
|
11 |
19224 |
2516 |
- |
2628 |
= |
-112 |
* |
(14 |
/ |
65) |
= |
-24.12307688 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Big Valley Joint Unified
|
-41 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-113
|
-78
|
-46
|
-60
|
-41
|
-338.0 |
-67.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -154.6
For the lines, you have the data necessary to plot the chart.