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 |
2529225 |
2507 |
- |
2436 |
= |
71 |
* |
(330 |
/ |
1879) |
= |
12.46939857 |
4 |
2529226 |
2552 |
- |
2485 |
= |
67 |
* |
(337 |
/ |
1879) |
= |
12.01649811 |
5 |
2529229 |
2588 |
- |
2528 |
= |
60 |
* |
(341 |
/ |
1879) |
= |
10.8887706 |
6 |
2529230 |
2608 |
- |
2552 |
= |
56 |
* |
(307 |
/ |
1879) |
= |
9.14954762 |
7 |
2529233 |
2617 |
- |
2567 |
= |
50 |
* |
(269 |
/ |
1879) |
= |
7.15806275 |
8 |
2529234 |
2657 |
- |
2586 |
= |
71 |
* |
(295 |
/ |
1879) |
= |
11.14688661 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Menlo Park City Elementary
|
63 |
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 |
77118 |
2511 |
- |
2436 |
= |
75 |
* |
(357 |
/ |
1908) |
= |
14.03301885 |
4 |
77120 |
2547 |
- |
2485 |
= |
62 |
* |
(337 |
/ |
1908) |
= |
10.95073369 |
5 |
77121 |
2599 |
- |
2528 |
= |
71 |
* |
(333 |
/ |
1908) |
= |
12.39150937 |
6 |
77124 |
2612 |
- |
2552 |
= |
60 |
* |
(318 |
/ |
1908) |
= |
9.99999996 |
7 |
77126 |
2634 |
- |
2567 |
= |
67 |
* |
(302 |
/ |
1908) |
= |
10.60482177 |
8 |
77128 |
2670 |
- |
2586 |
= |
84 |
* |
(261 |
/ |
1908) |
= |
11.49056597 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Menlo Park City Elementary
|
69 |
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 |
79213 |
2502 |
- |
2436 |
= |
66 |
* |
(328 |
/ |
1939) |
= |
11.16451776 |
4 |
79214 |
2556 |
- |
2485 |
= |
71 |
* |
(353 |
/ |
1939) |
= |
12.92573488 |
5 |
79216 |
2591 |
- |
2528 |
= |
63 |
* |
(337 |
/ |
1939) |
= |
10.94945846 |
6 |
79219 |
2629 |
- |
2552 |
= |
77 |
* |
(321 |
/ |
1939) |
= |
12.7472924 |
7 |
79221 |
2641 |
- |
2567 |
= |
74 |
* |
(313 |
/ |
1939) |
= |
11.94533264 |
8 |
79222 |
2660 |
- |
2586 |
= |
74 |
* |
(287 |
/ |
1939) |
= |
10.95306856 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Menlo Park City Elementary
|
71 |
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 |
79355 |
2502 |
- |
2436 |
= |
66 |
* |
(310 |
/ |
1920) |
= |
10.65624998 |
4 |
79358 |
2551 |
- |
2485 |
= |
66 |
* |
(328 |
/ |
1920) |
= |
11.27499998 |
5 |
79359 |
2595 |
- |
2528 |
= |
67 |
* |
(351 |
/ |
1920) |
= |
12.2484375 |
6 |
79362 |
2628 |
- |
2552 |
= |
76 |
* |
(311 |
/ |
1920) |
= |
12.31041662 |
7 |
79363 |
2639 |
- |
2567 |
= |
72 |
* |
(315 |
/ |
1920) |
= |
11.8125 |
8 |
79366 |
2673 |
- |
2586 |
= |
87 |
* |
(305 |
/ |
1920) |
= |
13.82031244 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Menlo Park City Elementary
|
72 |
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 |
79888 |
2503 |
- |
2436 |
= |
67 |
* |
(337 |
/ |
1887) |
= |
11.96555379 |
4 |
79889 |
2561 |
- |
2485 |
= |
76 |
* |
(304 |
/ |
1887) |
= |
12.24377313 |
5 |
79890 |
2597 |
- |
2528 |
= |
69 |
* |
(319 |
/ |
1887) |
= |
11.66454688 |
6 |
79891 |
2625 |
- |
2552 |
= |
73 |
* |
(326 |
/ |
1887) |
= |
12.61155271 |
7 |
79892 |
2647 |
- |
2567 |
= |
80 |
* |
(303 |
/ |
1887) |
= |
12.84578696 |
8 |
79893 |
2676 |
- |
2586 |
= |
90 |
* |
(298 |
/ |
1887) |
= |
14.21303652 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Menlo Park City Elementary
|
76 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
63
|
69
|
71
|
72
|
76
|
351.0 |
70.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 82.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 58.2
For the lines, you have the data necessary to plot the chart.