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 |
570080 |
2429 |
- |
2436 |
= |
-7 |
* |
(175 |
/ |
1037) |
= |
-1.18129219 |
4 |
570083 |
2470 |
- |
2485 |
= |
-15 |
* |
(161 |
/ |
1037) |
= |
-2.32883316 |
5 |
570084 |
2494 |
- |
2528 |
= |
-34 |
* |
(175 |
/ |
1037) |
= |
-5.73770492 |
6 |
570087 |
2532 |
- |
2552 |
= |
-20 |
* |
(169 |
/ |
1037) |
= |
-3.25940212 |
7 |
570088 |
2538 |
- |
2567 |
= |
-29 |
* |
(176 |
/ |
1037) |
= |
-4.92189006 |
8 |
570091 |
2579 |
- |
2586 |
= |
-7 |
* |
(181 |
/ |
1037) |
= |
-1.22179363 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pioneer Union Elementary
|
-19 |
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 |
18118 |
2444 |
- |
2436 |
= |
8 |
* |
(192 |
/ |
1056) |
= |
1.45454545 |
4 |
18121 |
2496 |
- |
2485 |
= |
11 |
* |
(172 |
/ |
1056) |
= |
1.79166666 |
5 |
18122 |
2503 |
- |
2528 |
= |
-25 |
* |
(173 |
/ |
1056) |
= |
-4.09564393 |
6 |
18125 |
2532 |
- |
2552 |
= |
-20 |
* |
(182 |
/ |
1056) |
= |
-3.44696968 |
7 |
18126 |
2535 |
- |
2567 |
= |
-32 |
* |
(168 |
/ |
1056) |
= |
-5.09090909 |
8 |
18129 |
2558 |
- |
2586 |
= |
-28 |
* |
(169 |
/ |
1056) |
= |
-4.48106058 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pioneer Union Elementary
|
-14 |
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 |
18452 |
2442 |
- |
2436 |
= |
6 |
* |
(162 |
/ |
1051) |
= |
0.92483349 |
4 |
18455 |
2489 |
- |
2485 |
= |
4 |
* |
(189 |
/ |
1051) |
= |
0.71931494 |
5 |
18456 |
2515 |
- |
2528 |
= |
-13 |
* |
(171 |
/ |
1051) |
= |
-2.11512844 |
6 |
18459 |
2509 |
- |
2552 |
= |
-43 |
* |
(177 |
/ |
1051) |
= |
-7.24167459 |
7 |
18460 |
2553 |
- |
2567 |
= |
-14 |
* |
(180 |
/ |
1051) |
= |
-2.39771645 |
8 |
18462 |
2555 |
- |
2586 |
= |
-31 |
* |
(172 |
/ |
1051) |
= |
-5.07326355 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pioneer Union Elementary
|
-15 |
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 |
18485 |
2442 |
- |
2436 |
= |
6 |
* |
(158 |
/ |
1047) |
= |
0.90544412 |
4 |
18488 |
2495 |
- |
2485 |
= |
10 |
* |
(164 |
/ |
1047) |
= |
1.56638013 |
5 |
18489 |
2511 |
- |
2528 |
= |
-17 |
* |
(196 |
/ |
1047) |
= |
-3.18242598 |
6 |
18492 |
2508 |
- |
2552 |
= |
-44 |
* |
(165 |
/ |
1047) |
= |
-6.93409741 |
7 |
18493 |
2532 |
- |
2567 |
= |
-35 |
* |
(180 |
/ |
1047) |
= |
-6.01719195 |
8 |
18496 |
2561 |
- |
2586 |
= |
-25 |
* |
(184 |
/ |
1047) |
= |
-4.39350525 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pioneer Union Elementary
|
-18 |
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 |
18625 |
2454 |
- |
2436 |
= |
18 |
* |
(174 |
/ |
1052) |
= |
2.9771863 |
4 |
18626 |
2505 |
- |
2485 |
= |
20 |
* |
(165 |
/ |
1052) |
= |
3.13688212 |
5 |
18627 |
2514 |
- |
2528 |
= |
-14 |
* |
(171 |
/ |
1052) |
= |
-2.27566539 |
6 |
18628 |
2524 |
- |
2552 |
= |
-28 |
* |
(192 |
/ |
1052) |
= |
-5.11026614 |
7 |
18629 |
2546 |
- |
2567 |
= |
-21 |
* |
(171 |
/ |
1052) |
= |
-3.41349809 |
8 |
18630 |
2555 |
- |
2586 |
= |
-31 |
* |
(179 |
/ |
1052) |
= |
-5.27471482 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pioneer Union Elementary
|
-10 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-19
|
-14
|
-15
|
-18
|
-10
|
-76.0 |
-15.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -6.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.2
For the lines, you have the data necessary to plot the chart.