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 |
1495026 |
2438 |
- |
2436 |
= |
2 |
* |
(1662 |
/ |
11303) |
= |
0.29408122 |
4 |
1495027 |
2483 |
- |
2485 |
= |
-2 |
* |
(1577 |
/ |
11303) |
= |
-0.27904096 |
5 |
1495030 |
2508 |
- |
2528 |
= |
-20 |
* |
(1670 |
/ |
11303) |
= |
-2.9549677 |
6 |
1495031 |
2541 |
- |
2552 |
= |
-11 |
* |
(1610 |
/ |
11303) |
= |
-1.56684066 |
7 |
1495034 |
2547 |
- |
2567 |
= |
-20 |
* |
(1615 |
/ |
11303) |
= |
-2.8576484 |
8 |
1495035 |
2568 |
- |
2586 |
= |
-18 |
* |
(1597 |
/ |
11303) |
= |
-2.54321861 |
11 |
1495038 |
2589 |
- |
2628 |
= |
-39 |
* |
(1572 |
/ |
11303) |
= |
-5.42404668 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Newport-Mesa Unified
|
-15 |
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 |
46891 |
2450 |
- |
2436 |
= |
14 |
* |
(1596 |
/ |
11421) |
= |
1.95639611 |
4 |
46893 |
2489 |
- |
2485 |
= |
4 |
* |
(1661 |
/ |
11421) |
= |
0.5817354 |
5 |
46895 |
2518 |
- |
2528 |
= |
-10 |
* |
(1552 |
/ |
11421) |
= |
-1.35890027 |
6 |
46897 |
2549 |
- |
2552 |
= |
-3 |
* |
(1671 |
/ |
11421) |
= |
-0.43892829 |
7 |
46899 |
2561 |
- |
2567 |
= |
-6 |
* |
(1619 |
/ |
11421) |
= |
-0.85053848 |
8 |
46901 |
2573 |
- |
2586 |
= |
-13 |
* |
(1617 |
/ |
11421) |
= |
-1.84055686 |
11 |
46903 |
2592 |
- |
2628 |
= |
-36 |
* |
(1705 |
/ |
11421) |
= |
-5.37431047 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Newport-Mesa Unified
|
-7 |
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 |
48168 |
2457 |
- |
2436 |
= |
21 |
* |
(1526 |
/ |
11282) |
= |
2.84045381 |
4 |
48171 |
2486 |
- |
2485 |
= |
1 |
* |
(1587 |
/ |
11282) |
= |
0.14066655 |
5 |
48173 |
2515 |
- |
2528 |
= |
-13 |
* |
(1651 |
/ |
11282) |
= |
-1.90241091 |
6 |
48174 |
2550 |
- |
2552 |
= |
-2 |
* |
(1551 |
/ |
11282) |
= |
-0.27495125 |
7 |
48177 |
2559 |
- |
2567 |
= |
-8 |
* |
(1714 |
/ |
11282) |
= |
-1.21538734 |
8 |
48178 |
2567 |
- |
2586 |
= |
-19 |
* |
(1640 |
/ |
11282) |
= |
-2.76192164 |
11 |
48180 |
2586 |
- |
2628 |
= |
-42 |
* |
(1613 |
/ |
11282) |
= |
-6.00478637 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Newport-Mesa Unified
|
-9 |
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 |
48177 |
2457 |
- |
2436 |
= |
21 |
* |
(1409 |
/ |
10991) |
= |
2.69211172 |
4 |
48179 |
2495 |
- |
2485 |
= |
10 |
* |
(1513 |
/ |
10991) |
= |
1.37658083 |
5 |
48181 |
2513 |
- |
2528 |
= |
-15 |
* |
(1592 |
/ |
10991) |
= |
-2.17268673 |
6 |
48183 |
2550 |
- |
2552 |
= |
-2 |
* |
(1610 |
/ |
10991) |
= |
-0.29296697 |
7 |
48185 |
2564 |
- |
2567 |
= |
-3 |
* |
(1547 |
/ |
10991) |
= |
-0.42225457 |
8 |
48187 |
2578 |
- |
2586 |
= |
-8 |
* |
(1664 |
/ |
10991) |
= |
-1.21117278 |
11 |
48189 |
2589 |
- |
2628 |
= |
-39 |
* |
(1656 |
/ |
10991) |
= |
-5.87608039 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Newport-Mesa Unified
|
-6 |
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 |
48397 |
2464 |
- |
2436 |
= |
28 |
* |
(1417 |
/ |
10536) |
= |
3.7657555 |
4 |
48398 |
2506 |
- |
2485 |
= |
21 |
* |
(1405 |
/ |
10536) |
= |
2.80039862 |
5 |
48399 |
2526 |
- |
2528 |
= |
-2 |
* |
(1471 |
/ |
10536) |
= |
-0.2792331 |
6 |
48400 |
2550 |
- |
2552 |
= |
-2 |
* |
(1575 |
/ |
10536) |
= |
-0.29897494 |
7 |
48401 |
2559 |
- |
2567 |
= |
-8 |
* |
(1571 |
/ |
10536) |
= |
-1.19286256 |
8 |
48402 |
2578 |
- |
2586 |
= |
-8 |
* |
(1518 |
/ |
10536) |
= |
-1.15261958 |
11 |
48403 |
2592 |
- |
2628 |
= |
-36 |
* |
(1579 |
/ |
10536) |
= |
-5.39521639 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Newport-Mesa Unified
|
-2 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-15
|
-7
|
-9
|
-6
|
-2
|
-39.0 |
-7.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.8
For the lines, you have the data necessary to plot the chart.