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 |
3111933 |
2383 |
- |
2436 |
= |
-53 |
* |
(339 |
/ |
1768) |
= |
-10.16233029 |
4 |
3111935 |
2402 |
- |
2485 |
= |
-83 |
* |
(302 |
/ |
1768) |
= |
-14.17760176 |
5 |
3111936 |
2450 |
- |
2528 |
= |
-78 |
* |
(301 |
/ |
1768) |
= |
-13.2794117 |
6 |
3111939 |
2471 |
- |
2552 |
= |
-81 |
* |
(273 |
/ |
1768) |
= |
-12.50735288 |
7 |
3111940 |
2500 |
- |
2567 |
= |
-67 |
* |
(304 |
/ |
1768) |
= |
-11.52036197 |
8 |
3111943 |
2496 |
- |
2586 |
= |
-90 |
* |
(249 |
/ |
1768) |
= |
-12.67533936 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ocean View
|
-74 |
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 |
95973 |
2378 |
- |
2436 |
= |
-58 |
* |
(279 |
/ |
1762) |
= |
-9.18388194 |
4 |
95974 |
2407 |
- |
2485 |
= |
-78 |
* |
(328 |
/ |
1762) |
= |
-14.51986372 |
5 |
95977 |
2430 |
- |
2528 |
= |
-98 |
* |
(307 |
/ |
1762) |
= |
-17.07491485 |
6 |
95979 |
2476 |
- |
2552 |
= |
-76 |
* |
(293 |
/ |
1762) |
= |
-12.63791141 |
7 |
95981 |
2487 |
- |
2567 |
= |
-80 |
* |
(264 |
/ |
1762) |
= |
-11.98637904 |
8 |
95983 |
2522 |
- |
2586 |
= |
-64 |
* |
(291 |
/ |
1762) |
= |
-10.56980698 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ocean View
|
-76 |
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 |
98735 |
2378 |
- |
2436 |
= |
-58 |
* |
(267 |
/ |
1715) |
= |
-9.0297376 |
4 |
98738 |
2408 |
- |
2485 |
= |
-77 |
* |
(263 |
/ |
1715) |
= |
-11.80816321 |
5 |
98740 |
2425 |
- |
2528 |
= |
-103 |
* |
(330 |
/ |
1715) |
= |
-19.81924198 |
6 |
98741 |
2448 |
- |
2552 |
= |
-104 |
* |
(299 |
/ |
1715) |
= |
-18.13177839 |
7 |
98743 |
2497 |
- |
2567 |
= |
-70 |
* |
(301 |
/ |
1715) |
= |
-12.28571428 |
8 |
98745 |
2501 |
- |
2586 |
= |
-85 |
* |
(255 |
/ |
1715) |
= |
-12.63848391 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ocean View
|
-84 |
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 |
98897 |
2384 |
- |
2436 |
= |
-52 |
* |
(271 |
/ |
1721) |
= |
-8.18826263 |
4 |
98898 |
2413 |
- |
2485 |
= |
-72 |
* |
(260 |
/ |
1721) |
= |
-10.87739683 |
5 |
98901 |
2427 |
- |
2528 |
= |
-101 |
* |
(278 |
/ |
1721) |
= |
-16.31493309 |
6 |
98902 |
2461 |
- |
2552 |
= |
-91 |
* |
(316 |
/ |
1721) |
= |
-16.70889011 |
7 |
98904 |
2458 |
- |
2567 |
= |
-109 |
* |
(298 |
/ |
1721) |
= |
-18.87391048 |
8 |
98906 |
2526 |
- |
2586 |
= |
-60 |
* |
(298 |
/ |
1721) |
= |
-10.38930852 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ocean View
|
-81 |
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 |
99578 |
2384 |
- |
2436 |
= |
-52 |
* |
(270 |
/ |
1667) |
= |
-8.42231551 |
4 |
99579 |
2431 |
- |
2485 |
= |
-54 |
* |
(273 |
/ |
1667) |
= |
-8.84343128 |
5 |
99580 |
2438 |
- |
2528 |
= |
-90 |
* |
(247 |
/ |
1667) |
= |
-13.33533285 |
6 |
99581 |
2455 |
- |
2552 |
= |
-97 |
* |
(276 |
/ |
1667) |
= |
-16.05998794 |
7 |
99582 |
2453 |
- |
2567 |
= |
-114 |
* |
(308 |
/ |
1667) |
= |
-21.06298736 |
8 |
99583 |
2485 |
- |
2586 |
= |
-101 |
* |
(293 |
/ |
1667) |
= |
-17.75224955 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ocean View
|
-85 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-74
|
-76
|
-84
|
-81
|
-85
|
-400.0 |
-80.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -68.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.0
For the lines, you have the data necessary to plot the chart.