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 |
1553825 |
2440 |
- |
2436 |
= |
4 |
* |
(2047 |
/ |
14884) |
= |
0.55012093 |
4 |
1553828 |
2486 |
- |
2485 |
= |
1 |
* |
(1996 |
/ |
14884) |
= |
0.13410374 |
5 |
1553829 |
2509 |
- |
2528 |
= |
-19 |
* |
(2126 |
/ |
14884) |
= |
-2.71392097 |
6 |
1553832 |
2546 |
- |
2552 |
= |
-6 |
* |
(2190 |
/ |
14884) |
= |
-0.8828272 |
7 |
1553833 |
2563 |
- |
2567 |
= |
-4 |
* |
(2164 |
/ |
14884) |
= |
-0.58156409 |
8 |
1553836 |
2566 |
- |
2586 |
= |
-20 |
* |
(2165 |
/ |
14884) |
= |
-2.9091642 |
11 |
1553837 |
2596 |
- |
2628 |
= |
-32 |
* |
(2196 |
/ |
14884) |
= |
-4.72131146 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Saddleback Valley Unified
|
-11 |
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 |
48682 |
2442 |
- |
2436 |
= |
6 |
* |
(1926 |
/ |
14609) |
= |
0.79101923 |
4 |
48684 |
2490 |
- |
2485 |
= |
5 |
* |
(2054 |
/ |
14609) |
= |
0.70299131 |
5 |
48686 |
2516 |
- |
2528 |
= |
-12 |
* |
(2043 |
/ |
14609) |
= |
-1.6781436 |
6 |
48688 |
2553 |
- |
2552 |
= |
1 |
* |
(2134 |
/ |
14609) |
= |
0.14607434 |
7 |
48691 |
2569 |
- |
2567 |
= |
2 |
* |
(2159 |
/ |
14609) |
= |
0.29557122 |
8 |
48693 |
2589 |
- |
2586 |
= |
3 |
* |
(2177 |
/ |
14609) |
= |
0.44705318 |
11 |
48694 |
2605 |
- |
2628 |
= |
-23 |
* |
(2116 |
/ |
14609) |
= |
-3.33137106 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Saddleback Valley Unified
|
-3 |
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 |
50002 |
2442 |
- |
2436 |
= |
6 |
* |
(1966 |
/ |
14499) |
= |
0.81357335 |
4 |
50004 |
2487 |
- |
2485 |
= |
2 |
* |
(1926 |
/ |
14499) |
= |
0.26567349 |
5 |
50006 |
2515 |
- |
2528 |
= |
-13 |
* |
(2015 |
/ |
14499) |
= |
-1.80667631 |
6 |
50008 |
2554 |
- |
2552 |
= |
2 |
* |
(2023 |
/ |
14499) |
= |
0.27905373 |
7 |
50011 |
2574 |
- |
2567 |
= |
7 |
* |
(2094 |
/ |
14499) |
= |
1.01096627 |
8 |
50012 |
2586 |
- |
2586 |
= |
0 |
* |
(2136 |
/ |
14499) |
= |
0.0 |
11 |
50014 |
2619 |
- |
2628 |
= |
-9 |
* |
(2339 |
/ |
14499) |
= |
-1.45189323 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Saddleback Valley Unified
|
-1 |
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 |
50018 |
2446 |
- |
2436 |
= |
10 |
* |
(1807 |
/ |
13975) |
= |
1.29302325 |
4 |
50021 |
2491 |
- |
2485 |
= |
6 |
* |
(1960 |
/ |
13975) |
= |
0.84150268 |
5 |
50022 |
2517 |
- |
2528 |
= |
-11 |
* |
(1935 |
/ |
13975) |
= |
-1.52307692 |
6 |
50025 |
2553 |
- |
2552 |
= |
1 |
* |
(2004 |
/ |
13975) |
= |
0.14339893 |
7 |
50026 |
2576 |
- |
2567 |
= |
9 |
* |
(2008 |
/ |
13975) |
= |
1.29316637 |
8 |
50029 |
2595 |
- |
2586 |
= |
9 |
* |
(2094 |
/ |
13975) |
= |
1.34855098 |
11 |
50030 |
2602 |
- |
2628 |
= |
-26 |
* |
(2167 |
/ |
13975) |
= |
-4.03162789 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Saddleback Valley Unified
|
-1 |
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 |
50217 |
2447 |
- |
2436 |
= |
11 |
* |
(1781 |
/ |
13499) |
= |
1.45129268 |
4 |
50218 |
2494 |
- |
2485 |
= |
9 |
* |
(1818 |
/ |
13499) |
= |
1.21208978 |
5 |
50219 |
2527 |
- |
2528 |
= |
-1 |
* |
(1931 |
/ |
13499) |
= |
-0.14304763 |
6 |
50220 |
2554 |
- |
2552 |
= |
2 |
* |
(1931 |
/ |
13499) |
= |
0.28609527 |
7 |
50221 |
2576 |
- |
2567 |
= |
9 |
* |
(1933 |
/ |
13499) |
= |
1.28876213 |
8 |
50222 |
2590 |
- |
2586 |
= |
4 |
* |
(1975 |
/ |
13499) |
= |
0.58522853 |
11 |
50223 |
2609 |
- |
2628 |
= |
-19 |
* |
(2130 |
/ |
13499) |
= |
-2.99799984 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Saddleback Valley Unified
|
2 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-11
|
-3
|
-1
|
-1
|
2
|
-14.0 |
-2.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.8
For the lines, you have the data necessary to plot the chart.