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 |
2294779 |
2497 |
- |
2436 |
= |
61 |
* |
(420 |
/ |
1807) |
= |
14.1781959 |
| 4 |
2294782 |
2534 |
- |
2485 |
= |
49 |
* |
(468 |
/ |
1807) |
= |
12.69064745 |
| 5 |
2294783 |
2562 |
- |
2528 |
= |
34 |
* |
(483 |
/ |
1807) |
= |
9.08799114 |
| 6 |
2294786 |
2604 |
- |
2552 |
= |
52 |
* |
(436 |
/ |
1807) |
= |
12.54676254 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Solana Beach Elementary
|
49 |
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 |
70272 |
2514 |
- |
2436 |
= |
78 |
* |
(441 |
/ |
1808) |
= |
19.02544246 |
| 4 |
70273 |
2547 |
- |
2485 |
= |
62 |
* |
(444 |
/ |
1808) |
= |
15.2256637 |
| 5 |
70276 |
2579 |
- |
2528 |
= |
51 |
* |
(457 |
/ |
1808) |
= |
12.89103979 |
| 6 |
70277 |
2615 |
- |
2552 |
= |
63 |
* |
(465 |
/ |
1808) |
= |
16.2029867 |
| 8 |
70279 |
0 |
- |
2586 |
= |
|
* |
(1 |
/ |
1808) |
= |
|
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Solana Beach Elementary
|
63 |
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 |
72127 |
2507 |
- |
2436 |
= |
71 |
* |
(423 |
/ |
1793) |
= |
16.75013938 |
| 4 |
72129 |
2560 |
- |
2485 |
= |
75 |
* |
(441 |
/ |
1793) |
= |
18.44673728 |
| 5 |
72131 |
2588 |
- |
2528 |
= |
60 |
* |
(464 |
/ |
1793) |
= |
15.5270496 |
| 6 |
72133 |
2604 |
- |
2552 |
= |
52 |
* |
(465 |
/ |
1793) |
= |
13.48577802 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Solana Beach Elementary
|
64 |
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 |
72270 |
2502 |
- |
2436 |
= |
66 |
* |
(419 |
/ |
1734) |
= |
15.94809685 |
| 4 |
72272 |
2553 |
- |
2485 |
= |
68 |
* |
(417 |
/ |
1734) |
= |
16.35294117 |
| 5 |
72274 |
2596 |
- |
2528 |
= |
68 |
* |
(449 |
/ |
1734) |
= |
17.60784309 |
| 6 |
72276 |
2621 |
- |
2552 |
= |
69 |
* |
(449 |
/ |
1734) |
= |
17.86678196 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Solana Beach Elementary
|
68 |
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 |
72764 |
2516 |
- |
2436 |
= |
80 |
* |
(441 |
/ |
1810) |
= |
19.49171264 |
| 4 |
72765 |
2551 |
- |
2485 |
= |
66 |
* |
(457 |
/ |
1810) |
= |
16.66408834 |
| 5 |
72766 |
2590 |
- |
2528 |
= |
62 |
* |
(445 |
/ |
1810) |
= |
15.24309389 |
| 6 |
72767 |
2630 |
- |
2552 |
= |
78 |
* |
(467 |
/ |
1810) |
= |
20.12486182 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Solana Beach Elementary
|
72 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
49
|
63
|
64
|
68
|
72
|
316.0 |
63.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 87.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 39.2
For the lines, you have the data necessary to plot the chart.