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 |
6 |
988515 |
2458 |
- |
2552 |
= |
-94 |
* |
(335 |
/ |
1071)
|
= |
-29.4024276 |
7 |
988518 |
2452 |
- |
2567 |
= |
-115 |
* |
(353 |
/ |
1071)
|
= |
-37.90382819 |
8 |
988519 |
2465 |
- |
2586 |
= |
-121 |
* |
(383 |
/ |
1071)
|
= |
-43.27077491 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for William Mulholland Middle
|
-111 |
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 |
6 |
31247 |
2476 |
- |
2552 |
= |
-76 |
* |
(425 |
/ |
1148)
|
= |
-28.13588848 |
7 |
31248 |
2476 |
- |
2567 |
= |
-91 |
* |
(351 |
/ |
1148)
|
= |
-27.82317065 |
8 |
31251 |
2489 |
- |
2586 |
= |
-97 |
* |
(372 |
/ |
1148)
|
= |
-31.43205567 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for William Mulholland Middle
|
-87 |
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 |
31808 |
2505 |
- |
2552 |
= |
-47 |
* |
(460 |
/ |
1231)
|
= |
-17.56295695 |
7 |
31809 |
2482 |
- |
2567 |
= |
-85 |
* |
(419 |
/ |
1231)
|
= |
-28.93176272 |
8 |
31812 |
2483 |
- |
2586 |
= |
-103 |
* |
(352 |
/ |
1231)
|
= |
-29.45247766 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for William Mulholland Middle
|
-76 |
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 |
31844 |
2489 |
- |
2552 |
= |
-63 |
* |
(478 |
/ |
1368)
|
= |
-22.01315785 |
7 |
31846 |
2506 |
- |
2567 |
= |
-61 |
* |
(461 |
/ |
1368)
|
= |
-20.55628654 |
8 |
31848 |
2486 |
- |
2586 |
= |
-100 |
* |
(429 |
/ |
1368)
|
= |
-31.3596491 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for William Mulholland Middle
|
-74 |
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 |
32022 |
2494 |
- |
2552 |
= |
-58 |
* |
(439 |
/ |
1373)
|
= |
-18.5447924 |
7 |
32023 |
2491 |
- |
2567 |
= |
-76 |
* |
(469 |
/ |
1373)
|
= |
-25.96067006 |
8 |
32024 |
2531 |
- |
2586 |
= |
-55 |
* |
(465 |
/ |
1373)
|
= |
-18.62709393 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for William Mulholland Middle
|
-63 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-111
|
-87
|
-76
|
-74
|
-63
|
-411.0 |
-82.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -28.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -136.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: