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 |
2511327 |
2499 |
- |
2436 |
= |
63 |
* |
(365 |
/ |
2081) |
= |
11.04997597 |
4 |
2511328 |
2536 |
- |
2485 |
= |
51 |
* |
(385 |
/ |
2081) |
= |
9.43536761 |
5 |
2511331 |
2561 |
- |
2528 |
= |
33 |
* |
(335 |
/ |
2081) |
= |
5.3123498 |
6 |
2511332 |
2584 |
- |
2552 |
= |
32 |
* |
(342 |
/ |
2081) |
= |
5.25901008 |
7 |
2511335 |
2616 |
- |
2567 |
= |
49 |
* |
(326 |
/ |
2081) |
= |
7.67611725 |
8 |
2511336 |
2630 |
- |
2586 |
= |
44 |
* |
(328 |
/ |
2081) |
= |
6.93512732 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Burlingame Elementary
|
46 |
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 |
76589 |
2495 |
- |
2436 |
= |
59 |
* |
(367 |
/ |
2122) |
= |
10.20405277 |
4 |
76592 |
2545 |
- |
2485 |
= |
60 |
* |
(377 |
/ |
2122) |
= |
10.65975492 |
5 |
76593 |
2574 |
- |
2528 |
= |
46 |
* |
(376 |
/ |
2122) |
= |
8.15080109 |
6 |
76595 |
2608 |
- |
2552 |
= |
56 |
* |
(335 |
/ |
2122) |
= |
8.8407163 |
7 |
76597 |
2618 |
- |
2567 |
= |
51 |
* |
(348 |
/ |
2122) |
= |
8.36380768 |
8 |
76599 |
2647 |
- |
2586 |
= |
61 |
* |
(319 |
/ |
2122) |
= |
9.1701225 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Burlingame Elementary
|
55 |
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 |
78643 |
2509 |
- |
2436 |
= |
73 |
* |
(383 |
/ |
2160) |
= |
12.94398142 |
4 |
78644 |
2541 |
- |
2485 |
= |
56 |
* |
(361 |
/ |
2160) |
= |
9.35925922 |
5 |
78646 |
2567 |
- |
2528 |
= |
39 |
* |
(378 |
/ |
2160) |
= |
6.825 |
6 |
78649 |
2590 |
- |
2552 |
= |
38 |
* |
(365 |
/ |
2160) |
= |
6.42129628 |
7 |
78651 |
2621 |
- |
2567 |
= |
54 |
* |
(334 |
/ |
2160) |
= |
8.34999997 |
8 |
78653 |
2638 |
- |
2586 |
= |
52 |
* |
(339 |
/ |
2160) |
= |
8.16111109 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Burlingame Elementary
|
52 |
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 |
78789 |
2508 |
- |
2436 |
= |
72 |
* |
(384 |
/ |
2210) |
= |
12.51040723 |
4 |
78792 |
2550 |
- |
2485 |
= |
65 |
* |
(384 |
/ |
2210) |
= |
11.29411764 |
5 |
78793 |
2565 |
- |
2528 |
= |
37 |
* |
(375 |
/ |
2210) |
= |
6.27828051 |
6 |
78796 |
2617 |
- |
2552 |
= |
65 |
* |
(372 |
/ |
2210) |
= |
10.94117642 |
7 |
78797 |
2613 |
- |
2567 |
= |
46 |
* |
(352 |
/ |
2210) |
= |
7.32669683 |
8 |
78800 |
2659 |
- |
2586 |
= |
73 |
* |
(343 |
/ |
2210) |
= |
11.32986419 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Burlingame Elementary
|
60 |
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 |
79322 |
2518 |
- |
2436 |
= |
82 |
* |
(367 |
/ |
2196) |
= |
13.70400728 |
4 |
79323 |
2554 |
- |
2485 |
= |
69 |
* |
(372 |
/ |
2196) |
= |
11.68852458 |
5 |
79324 |
2584 |
- |
2528 |
= |
56 |
* |
(385 |
/ |
2196) |
= |
9.81785062 |
6 |
79325 |
2610 |
- |
2552 |
= |
58 |
* |
(355 |
/ |
2196) |
= |
9.37613842 |
7 |
79326 |
2646 |
- |
2567 |
= |
79 |
* |
(363 |
/ |
2196) |
= |
13.05874313 |
8 |
79327 |
2629 |
- |
2586 |
= |
43 |
* |
(354 |
/ |
2196) |
= |
6.93169396 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Burlingame Elementary
|
65 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
46
|
55
|
52
|
60
|
65
|
278.0 |
55.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 76.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 34.6
For the lines, you have the data necessary to plot the chart.