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 |
7 |
1207777 |
0 |
- |
2567 |
= |
|
* |
(1 |
/ |
1) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for SBE - The School of Arts and Enterprise
|
|
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 |
6 |
38383 |
2449 |
- |
2552 |
= |
-103 |
* |
(79 |
/ |
417) |
= |
-19.51318942 |
7 |
38386 |
2489 |
- |
2567 |
= |
-78 |
* |
(119 |
/ |
417) |
= |
-22.25899276 |
8 |
38388 |
2505 |
- |
2586 |
= |
-81 |
* |
(115 |
/ |
417) |
= |
-22.33812946 |
11 |
38390 |
2539 |
- |
2628 |
= |
-89 |
* |
(104 |
/ |
417) |
= |
-22.19664263 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for SBE - The School of Arts and Enterprise
|
-86 |
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 |
6 |
38357 |
2454 |
- |
2552 |
= |
-98 |
* |
(95 |
/ |
406) |
= |
-22.93103441 |
7 |
38359 |
2462 |
- |
2567 |
= |
-105 |
* |
(115 |
/ |
406) |
= |
-29.74137926 |
8 |
38361 |
2500 |
- |
2586 |
= |
-86 |
* |
(116 |
/ |
406) |
= |
-24.57142851 |
11 |
38363 |
2509 |
- |
2628 |
= |
-119 |
* |
(80 |
/ |
406) |
= |
-23.44827575 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for SBE - The School of Arts and Enterprise
|
-101 |
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 |
6 |
38557 |
2477 |
- |
2552 |
= |
-75 |
* |
(75 |
/ |
408) |
= |
-13.78676468 |
7 |
38558 |
2481 |
- |
2567 |
= |
-86 |
* |
(127 |
/ |
408) |
= |
-26.76960777 |
8 |
38559 |
2479 |
- |
2586 |
= |
-107 |
* |
(117 |
/ |
408) |
= |
-30.68382344 |
11 |
38560 |
2543 |
- |
2628 |
= |
-85 |
* |
(89 |
/ |
408) |
= |
-18.54166659 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for SBE - The School of Arts and Enterprise
|
-90 |
Last steps
Compute the average
2015 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-86
|
-101
|
-90
|
-277.0 |
-69.3 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -71.333333333333333333
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -113.333333333333333333
For the lines, you have the data necessary to plot the chart.